OpenTechnical

OT-2026-000054026

Publication integrity record

Foam pad vacuum gripper, 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-2026-000054026) never changes.

Identity and time

Publication numberOT-2026-000054026 · never reused
Internal UUID01a0ae85-b3a7-7884-b060-1ce2a919ba37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054026
StatusPUBLIC

Content hashes

Canonical textd526c2ff032bfd97fd864009b90fd46376062e1ef307b4b4353ac4f2ff5e74e8
Markdown314f1808d87614196424f2fa84992384726f8be5d3f1619f945dee730a9502dc
PDF
Publication page114ae2c5d4f0b78512524738003d0925e63ca99f3d3f80c8d966f04d285e14e6
Manifest030d75fcda344b01d0e957ed3ed5f5758e3045f92f14d6f153698bddac961b1d

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
Signaturexfzfu+2vlmnD2t9e2YqTr0GzdS1OCKkcuB8vklslR/7nd0Zwu/vKq0A91yM+JvXGZVVNG2vKWLt9pMtiPCTCDA==
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

2026-09-17T10:54:23.312089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054026
observed 114ae2c5d4f0b78512524738003d0925...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:23.289204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054026/manifest.json
observed 030d75fcda344b01d0e957ed3ed5f575...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:23.269039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054026/publication.md
observed 314f1808d87614196424f2fa84992384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:23.246149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054026/publication.txt
observed d526c2ff032bfd97fd864009b90fd463...
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.