OpenTechnical

OT-2026-000053825

Publication integrity record

Four cup vacuum gripper, four 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-2026-000053825) never changes.

Identity and time

Publication numberOT-2026-000053825 · never reused
Internal UUID01a0ae85-735d-70d2-a1c3-55cfb238b9ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053825
StatusPUBLIC

Content hashes

Canonical textd977ef55813d3a8137992fc45bec814566a50b6155d84249cc8b5b6c2c14e597
Markdown1e66ff4188f709bfd10c7327dba9f3f2b6e4867368ed524ae00098b5825c0fb3
PDF
Publication pageff4e26beebf5f5ce1c847687f6116197c840a1242710c242f0ebf2b7aa79405e
Manifest8a71ddcf0a30708094fa10d20efabd1eae42f57c0ee3e44db7256a492159b8a7

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
SignatureQYc0lSUAwWqVY4EjHUW/gsbjmt4z68tn4db4pL626WmDpjMdl08NvQ2Bs8YMP4YEkX/4w7bk4NQjZ6vDQE3dBA==
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

2026-09-17T08:40:34.146904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053825
observed ff4e26beebf5f5ce1c847687f6116197...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:34.123570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053825/manifest.json
observed 8a71ddcf0a30708094fa10d20efabd1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:34.103989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053825/publication.md
observed 1e66ff4188f709bfd10c7327dba9f3f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:34.082477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053825/publication.txt
observed d977ef55813d3a8137992fc45bec8145...
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.