OpenTechnical

OT-2026-000062077

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented after 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-2026-000062077) never changes.

Identity and time

Publication numberOT-2026-000062077 · never reused
Internal UUID01a0ae8b-b8b0-75fc-b738-a1425a5aeaae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062077
StatusPUBLIC

Content hashes

Canonical textc5719efb16bdc17ded7a0c19b36a3e93e930477d6d9205007b9d92a9240b3d11
Markdown2b1e5fb78d73200eea004f8d937fb3c2fd61534f32e78f7205bbb360e49fb72a
PDF
Publication pagef89f913330db4a729b146075a6e3b0b9009efad767c3a35e5b6c67e630f257bc
Manifestc4d6b3587f1a80f17f82ceb0fb50fe885a0614812f28257f97549b9af781ca5b

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
Signature3ynG+ZnAXtPOxGP9Oqs/Y7lpcB/AZFs3ZMn6V4Gv9jc6B1wF2eqSuveioPVIX2LGoiUAWkh3SBsdY7drM5o8BQ==
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...

Independent retrieval

2026-09-17T10:41:07.664593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062077
observed f89f913330db4a729b146075a6e3b0b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:07.648846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062077/manifest.json
observed c4d6b3587f1a80f17f82ceb0fb50fe88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:07.632456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062077/publication.md
observed 2b1e5fb78d73200eea004f8d937fb3c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:07.614980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062077/publication.txt
observed c5719efb16bdc17ded7a0c19b36a3e93...
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.