OpenTechnical

OT-2026-000056642

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three 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-2026-000056642) never changes.

Identity and time

Publication numberOT-2026-000056642 · never reused
Internal UUID01a0ae87-7af6-73c6-9384-72985dea0933 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056642
StatusPUBLIC

Content hashes

Canonical textbeff7c6cdc92cc31e5a700962a844ef609251f1ae3acb3730adaad721a21f2df
Markdown7557050d07ef9fb0dc7fbf060b6270e56718e0d1c05d98809fbd5dc25dffdaba
PDF
Publication page2f15f52c41c4bb9caba0eae43ed37afeae62c810aab8676d2999d6d1af1506ae
Manifest65e377068f4b4a54f39ed83bdf9bbc1255da504b606c5ce3d3e944f5f24dea32

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
SignaturegYVh3omhIbuPFuL8WDVF3xLhSBA+i41BIRniC1I+CaUXeYc/3jDBq4XgBL5aShfg4ONsKY0w5k3JeX3EJZssBw==
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

2026-09-17T10:50:00.240990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056642
observed 2f15f52c41c4bb9caba0eae43ed37afe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:00.195563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056642/manifest.json
observed 65e377068f4b4a54f39ed83bdf9bbc12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:00.177195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056642/publication.md
observed 7557050d07ef9fb0dc7fbf060b6270e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:00.134077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056642/publication.txt
observed beff7c6cdc92cc31e5a700962a844ef6...
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.