OpenTechnical

OT-2026-000069957

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000069957) never changes.

Identity and time

Publication numberOT-2026-000069957 · never reused
Internal UUID01a0ae91-1860-78cc-a68e-22a17fcb4d12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069957
StatusPUBLIC

Content hashes

Canonical text796451dc51f44ab5f1cfeb85500fdf22f5733db551ead16dbfbfb303b97a8662
Markdownca829b816986009f5896e0e346b8334e6dc54d5f8480023a1932d179141beed8
PDF
Publication page3ef48e7d0fbd855f3613f43b52ef0c02464bc7f2f172ee2adbd67efa01f6df37
Manifest72da798d9edae8f01a774bd4543e94b44ebc0a3437e8deeeab6f9210f29a5478

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
SignaturebfXZ6dQk/P7hl/17Jk6zZ/t8dtlDfXIAuj0ghRLWrc7mk8EMnxG+13DuTdk6ovXVt43VCktYhBvlNUi3qOnfDQ==
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

2026-09-17T10:26:53.854458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069957
observed 3ef48e7d0fbd855f3613f43b52ef0c02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:53.834874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069957/manifest.json
observed 72da798d9edae8f01a774bd4543e94b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:53.815344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069957/publication.md
observed ca829b816986009f5896e0e346b8334e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:53.796918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069957/publication.txt
observed 796451dc51f44ab5f1cfeb85500fdf22...
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.