OpenTechnical

OT-2026-000054487

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000054487) never changes.

Identity and time

Publication numberOT-2026-000054487 · never reused
Internal UUID01a0ae86-1283-7e9b-a6c5-3afd84e66706 · 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-2026-000054487
StatusPUBLIC

Content hashes

Canonical text2bdb776eefb4b80db28930cd595bc9cce4d24c414d728d3ff162b186cffa2830
Markdown852014ce13cc94261f7a79628f6eee16fe283fe379782ec9a938294c5c3650c3
PDF
Publication pagebcf203757e0fbad795886cf07c8d4c565328a00c89418d04e48bb084f3ac29d1
Manifest4b7fc62f01989375e750bd653c6198281336d4a5bc2bc5b0c0f66f1ab9337edd

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
Signature9t2eQl42QyvaRDMM9N1KsFXuHXlppwU/MIv+RfHLCQoXRa5yOoSo+VUmBvH40kZYA7rZ3QRc/r3NHC6NOkxkAw==
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

2026-09-17T10:53:28.854384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054487
observed bcf203757e0fbad795886cf07c8d4c56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:28.835257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054487/manifest.json
observed 4b7fc62f01989375e750bd653c619828...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:28.813727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054487/publication.md
observed 852014ce13cc94261f7a79628f6eee16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:28.792867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054487/publication.txt
observed 2bdb776eefb4b80db28930cd595bc9cc...
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.