OpenTechnical

OT-2026-000053593

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, supply line 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-2026-000053593) never changes.

Identity and time

Publication numberOT-2026-000053593 · never reused
Internal UUID01a0ae85-0a93-74f5-a6a0-ba8c975579d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053593
StatusPUBLIC

Content hashes

Canonical textb624731b22365b24b0e594de79348076b68387c0a0746c02da3094b001143946
Markdowne14d7a943c2eae8645ae88dd93857f06cd61cefad561999d1bbb6c3b93046a59
PDF
Publication pagebbd9a58305b53ad24ca067ddadf4d7142cc38bc9c071e6fb2c1052e673d123bb
Manifest568dd196e53fdb19837ebd5434a4bd46dc2efe31f7a173c077f32d17280ac312

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
Signaturex9GDMAiU35zPiKZPlxCzpQtC2bsh8OiuDJQxjMqqPiVQGNsCh9bLBGL4uWU/TL2RjyZng3wno0GOLliEl7a8Cw==
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

2026-09-17T10:55:27.782774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053593
observed bbd9a58305b53ad24ca067ddadf4d714...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:27.763767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053593/manifest.json
observed 568dd196e53fdb19837ebd5434a4bd46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:27.746138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053593/publication.md
observed e14d7a943c2eae8645ae88dd93857f06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:27.729534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053593/publication.txt
observed b624731b22365b24b0e594de79348076...
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.