OpenTechnical

OT-2026-000053777

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000053777) never changes.

Identity and time

Publication numberOT-2026-000053777 · never reused
Internal UUID01a0ae85-735d-73b5-bda3-5cfbfa25a581 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053777
StatusPUBLIC

Content hashes

Canonical texte4fa867d18cbee7d8fa403a652f7c8698ff34bf986f2edeb91feef887dd37bf1
Markdownec620bfa1218679c99cfc1b83940ab30a7a9ed85ad75f19f9d3a2599f2aabcef
PDF
Publication page0eb35f28cee74ea89c0cc13c19b918b83f6d6943f57457013035ff06b8c1bf58
Manifest2b5f1fd378003068bc5cfa37346310169d1e01f7b827932a09527bc5b700b8a8

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
SignaturexoPP0YtzxZ+BGWdi39KYB8l2ModW5G4U05CUFuDRRuj6Pxaf1qIxguvjQ37FbbOQFlcJE679ha6wpA3ZwU8RBg==
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

2026-09-17T08:40:26.586629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053777
observed 0eb35f28cee74ea89c0cc13c19b918b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:26.563459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053777/manifest.json
observed 2b5f1fd378003068bc5cfa3734631016...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:26.535201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053777/publication.md
observed ec620bfa1218679c99cfc1b83940ab30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:26.499388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053777/publication.txt
observed e4fa867d18cbee7d8fa403a652f7c869...
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.