OpenTechnical

OT-2026-000074924

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold 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-2026-000074924) never changes.

Identity and time

Publication numberOT-2026-000074924 · never reused
Internal UUID01a0ae93-ac2d-707a-a137-76fba4d7726e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074924
StatusPUBLIC

Content hashes

Canonical text426e0ecbc28930b1e89842c849e2905c75824c01f2081317f9e0f3b645ec5397
Markdownc9dba9f9abd27a7054565e558a372d3eb0e2fe2df48217268779064bf9779d80
PDF
Publication pagefff0dca84d574bffc2e5d0c96fc905e46e5b175883e19e2cbf2aa26fe8b80a7c
Manifestc84e7945bf992d1c5692e686713465e59c414afa95bbe8815c22211d82e53bfa

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
SignatureGLk2w/pXhSPUBWENT5bmeAgAJxg5J1i7AfbnyGnj/SLAKM8UH4JFA1ut+bcuDSvpkeAgopyGKiCNn+MolQaoAQ==
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

2026-09-17T10:18:39.083604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074924
observed fff0dca84d574bffc2e5d0c96fc905e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:39.066190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074924/manifest.json
observed c84e7945bf992d1c5692e686713465e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:39.047916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074924/publication.md
observed c9dba9f9abd27a7054565e558a372d3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:39.013870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074924/publication.txt
observed 426e0ecbc28930b1e89842c849e2905c...
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.