OpenTechnical

OT-2026-000054859

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000054859) never changes.

Identity and time

Publication numberOT-2026-000054859 · never reused
Internal UUID01a0ae86-1285-7dff-b49e-21c7d80896f3 · 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-2026-000054859
StatusPUBLIC

Content hashes

Canonical textad64f414f6207c71a8722741629dc63294426cfabcfb6ec51ec0e8505884747f
Markdown467684718b6689dea0acaa0e2482886b95b3bd72d409eecdbcd2f4ce4a66c418
PDF
Publication pageb4e3a889034e217b284e741b815706f0adb29aa184fd7863317a6f03422d97ea
Manifest86db1b370d751963fd493e99de1151faea4a5fd7e2d4e023195443598611656d

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
Signature8/AVeVBcGZKdr/WFyArhKRx485uGr2iY1dKmExS6syfAXlJtQ94dw3LOx2Z6r5ZJsb71kVFSstBSYflJIc+5Dg==
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

2026-09-17T10:54:04.637910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054859
observed b4e3a889034e217b284e741b815706f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:04.621284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054859/manifest.json
observed 86db1b370d751963fd493e99de1151fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:04.604075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054859/publication.md
observed 467684718b6689dea0acaa0e2482886b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:04.587172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054859/publication.txt
observed ad64f414f6207c71a8722741629dc632...
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.