OpenTechnical

OT-2026-000032633

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, pulsed blow-off 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-2026-000032633) never changes.

Identity and time

Publication numberOT-2026-000032633 · never reused
Internal UUID01a0ae75-1070-7966-9fd1-72f6ebd12f92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032633
StatusPUBLIC

Content hashes

Canonical text4eaf3e4ea2df2f11ad53d1a7359edd1737439aca701fae9b916f1d702dec36c9
Markdown192bf45c00c8c68a4570b63b9899854dc46d183f61bcca344b8789f1d3e39048
PDF
Publication pageae2e51275fe2e723d19f39e42baeeff6b0c2d06c1b5cf6432f2fcaf8aa58def4
Manifestb5dd666fc63e96eebc53927bd94dba62458d13f5ccacb21ccf2e5f7af9b891d9

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
Signaturec8oiSz2HXozPx+g8t6x+2RPYzIyYpPMilIUcJdz7gPlqM4mHcrgqyCGpuZGYB7GJkpuJPhEjNXJ4CXwyox6kAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:13.356859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032633
observed ae2e51275fe2e723d19f39e42baeeff6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:13.338847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032633/manifest.json
observed b5dd666fc63e96eebc53927bd94dba62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:13.320175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032633/publication.md
observed 192bf45c00c8c68a4570b63b9899854d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:13.302836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032633/publication.txt
observed 4eaf3e4ea2df2f11ad53d1a7359edd17...
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.