OpenTechnical

OT-2026-000057174

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented before set-down

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-2026-000057174) never changes.

Identity and time

Publication numberOT-2026-000057174 · never reused
Internal UUID01a0ae87-d5ba-76c9-a5af-7b418b584100 · 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-2026-000057174
StatusPUBLIC

Content hashes

Canonical text7b309e66872d73d77abe76c9fd4eda5afa41b8e1f319206f0ad42241368be2ec
Markdownfee5fe161839cc981eae60745d63d02eecd3db5c8d8c8264a08a7b433500bdd9
PDF
Publication page29e6c5c76e8c2a0f30157464bba4c350b91212418f23c530424a9f97bea0fbee
Manifeste8a7c8312b7415cb8e5c5245ca6b1de9b4292a2127a2adb5d6daf60e6c56c683

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
SignatureHVeofJVehVrOT8yGMQydYNuTkEBeoj5truhaxH6qUPRwUjYz4j+068ZT2GyQAfFo2n5arvL9bDnhDlQBOqkoCg==
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

2026-09-17T10:50:11.314408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057174
observed 29e6c5c76e8c2a0f30157464bba4c350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.295021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057174/manifest.json
observed e8a7c8312b7415cb8e5c5245ca6b1de9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.277233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057174/publication.md
observed fee5fe161839cc981eae60745d63d02e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.257137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057174/publication.txt
observed 7b309e66872d73d77abe76c9fd4eda5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:18.606422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057174
observed 29e6c5c76e8c2a0f30157464bba4c350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:18.590127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057174/manifest.json
observed e8a7c8312b7415cb8e5c5245ca6b1de9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:18.573048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057174/publication.md
observed fee5fe161839cc981eae60745d63d02e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:18.556537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057174/publication.txt
observed 7b309e66872d73d77abe76c9fd4eda5a...
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.