OpenTechnical

OT-2026-000076336

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000076336) never changes.

Identity and time

Publication numberOT-2026-000076336 · never reused
Internal UUID01a0ae94-6a70-7783-92a2-ec25dd2e595a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076336
StatusPUBLIC

Content hashes

Canonical text59b6339588a6fd8340f98ee5862d8b0a77d2a954f8320f0c5f8016a5a153cd5a
Markdownb885b26d9d06cfb060fe374c51c64f4653c75df27e599d795f393940ada95e9c
PDF
Publication page39603f29883203470b915fffc976ac0415d896acd3429741f6f553894c293a0b
Manifest8765db67913ccbf1bb0a84b2bd6d4c47ddc3358a1b406552c1cca4630877691d

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
SignatureYVpdkIjueya4JTsQyUcH3U/qUqBUEfsawhurO0489feV3VtLJW0GpmcjrRXW4B8N7ZlhNzORyvwwxCXmFn/6AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:12:11.607985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076336
observed 39603f29883203470b915fffc976ac04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:11.588610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076336/manifest.json
observed 8765db67913ccbf1bb0a84b2bd6d4c47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:11.568907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076336/publication.md
observed b885b26d9d06cfb060fe374c51c64f46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:11.550017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076336/publication.txt
observed 59b6339588a6fd8340f98ee5862d8b0a...
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.