OpenTechnical

OT-2026-000054911

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000054911) never changes.

Identity and time

Publication numberOT-2026-000054911 · never reused
Internal UUID01a0ae86-5e7f-71f5-b911-b092549f1f1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054911
StatusPUBLIC

Content hashes

Canonical textcac54b6f7c2b5012c02baccb7ed0f51b720819ec92caae0c5255ea1f3477d9dc
Markdown178efc61065ca7c16ec5dc0c734adffb7371554b44e65e5fc5262f48bfea0513
PDF
Publication pagea627cbfca990666cebafd2619c987defd38f53f1eb5e3b5e0ec1430a379ee976
Manifest9f6c04dae2915e75db219e6cee446d5a911297527d1b52fc4b3aa3c21a33e0f8

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
SignatureK9j19/2TC/GaCGnRd6Nv7+mrS1k1+/junOoqkBSdoVJwHkpXo81P3Hnv5tJLLbhw8t2Cfl6Tdp8VC91Ck5NICA==
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

2026-09-17T10:53:00.593911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054911
observed a627cbfca990666cebafd2619c987def...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:00.576582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054911/manifest.json
observed 9f6c04dae2915e75db219e6cee446d5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:00.557518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054911/publication.md
observed 178efc61065ca7c16ec5dc0c734adffb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:00.540077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054911/publication.txt
observed cac54b6f7c2b5012c02baccb7ed0f51b...
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.