OpenTechnical

OT-2026-000054587

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000054587) never changes.

Identity and time

Publication numberOT-2026-000054587 · never reused
Internal UUID01a0ae86-1283-73bc-b649-15511b64ad64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054587
StatusPUBLIC

Content hashes

Canonical textbaa9fa7223ac3d14a3181eb10e80b2dfca010e099fa3adc2b1a5e928cb4a4bf1
Markdown968ac8975b903848dd894da2ef053c2b8758b13960b7f66ded33509e7ab77fc2
PDF
Publication page51ab06482f94d49717f8a1420fbfafe5172ad304155d52f69c52d13faa270279
Manifest0bd81d6ee20d82ca1dc8f1420a7712d715657cb53e9e8596c7641ab63d6ce427

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
Signature22nvUjt/bGcL93QGl559iCSWYIWcHiAF/J0OLVp8lRySPBrLnEl28DDSI0FkvY0St1JZjd5pGRxv9zKtt9JSBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:38.290460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054587
observed 51ab06482f94d49717f8a1420fbfafe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:38.273095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054587/manifest.json
observed 0bd81d6ee20d82ca1dc8f1420a7712d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:38.256817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054587/publication.md
observed 968ac8975b903848dd894da2ef053c2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:38.239007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054587/publication.txt
observed baa9fa7223ac3d14a3181eb10e80b2df...
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.