OpenTechnical

OT-2026-000015279

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000015279) never changes.

Identity and time

Publication numberOT-2026-000015279 · never reused
Internal UUID01a0ae6d-ef48-79d8-a21c-b76124a36232 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015279
StatusPUBLIC

Content hashes

Canonical textc868eb63f54e8378e12955af4cc3524ab1b5ae32a63b9a9714548f534e37ede5
Markdownc0226bcc379ab257f387746bd5bd890138e0eebd6574875b92efd0acdb44e45d
PDF
Publication pagec1965e47d575bb0ac063dd9a3c60c13e5e6c93586de5bfd6079ad346f7b19587
Manifest303975dc61a51def0d4d29e2ffb52b332f775a9c1fb143d46a004bd18ff88fe5

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
Signaturelntccpodr9XpyBn3v54gY+nbUv5a5Qqq3OnFrazYM1VrG35E/K/mZNZ1g3b/BaZ5rkAUc//6zL2fW+zT4tX2Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:05:57.680384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015279
observed c1965e47d575bb0ac063dd9a3c60c13e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:57.659105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015279/manifest.json
observed 303975dc61a51def0d4d29e2ffb52b33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:57.638929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015279/publication.md
observed c0226bcc379ab257f387746bd5bd8901...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:57.614926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015279/publication.txt
observed c868eb63f54e8378e12955af4cc3524a...
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.