OpenTechnical

OT-2026-000057214

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057214) never changes.

Identity and time

Publication numberOT-2026-000057214 · never reused
Internal UUID01a0ae87-d5bb-75b1-b30d-ade888759c17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057214
StatusPUBLIC

Content hashes

Canonical text0cb37ab049193e0931d9fba9897dbb35e0f610290a6c46b87db9bb1b8ba237d9
Markdown17b36c19c087c06d7f92ce82b5c1a064e21c29d277c520079a27bccd301ce69b
PDF
Publication page21b49fc415640d1b0bed0b66489575f369fc2604ffb330110cdd8c7472d87e6a
Manifestd1a91f0ae243180b0fd7698e0822b1c2f1713242eefb137ea682e1c85575b042

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturen41vKO/Cun4TvHg8utY2rg6l8wTkb1AknbJG2yMsZznDOA3i0axr+4sGUrYZEaC7tXE1Kx2abKE4CxmRjH/xDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:16.013557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057214
observed 21b49fc415640d1b0bed0b66489575f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.994429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057214/manifest.json
observed d1a91f0ae243180b0fd7698e0822b1c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.975788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057214/publication.md
observed 17b36c19c087c06d7f92ce82b5c1a064...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.958268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057214/publication.txt
observed 0cb37ab049193e0931d9fba9897dbb35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:21.713456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057214
observed 21b49fc415640d1b0bed0b66489575f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:21.696321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057214/manifest.json
observed d1a91f0ae243180b0fd7698e0822b1c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:21.677179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057214/publication.md
observed 17b36c19c087c06d7f92ce82b5c1a064...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:21.659102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057214/publication.txt
observed 0cb37ab049193e0931d9fba9897dbb35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.