OpenTechnical

OT-2026-000081976

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000081976) never changes.

Identity and time

Publication numberOT-2026-000081976 · never reused
Internal UUID01a0ae97-0f77-7549-8989-fb44922cfee2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081976
StatusPUBLIC

Content hashes

Canonical textbb6b83e1264f0b99d127e0f7ce259fab9bef7b3069c6f578165a496896eb9e80
Markdown6f387470150bad7250247a3af1b261d8fd0e55e081a2b746b71294bee9d5730e
PDF
Publication page616cb53d3bce9cd481613ab6b144cdc9097df6fd7021b8570f751507802fb4bd
Manifest790b091f0801d7deaf5e1c46820d5b375d88a82dcbd4362ac5da7847e2d6f226

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
SignatureQE4az8v5EVcp0ITAEaFVgClMJW/hhHHc6P/2xJHsHMr54KYndKhrgGdl40l2Dif/8268gzGTe0LXVfkRw+rjDQ==
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

2026-09-17T10:01:06.942821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081976
observed 616cb53d3bce9cd481613ab6b144cdc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:06.924491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081976/manifest.json
observed 790b091f0801d7deaf5e1c46820d5b37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:06.907053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081976/publication.md
observed 6f387470150bad7250247a3af1b261d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:06.891013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081976/publication.txt
observed bb6b83e1264f0b99d127e0f7ce259fab...
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.