OpenTechnical

OT-2026-000016387

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, 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-2026-000016387) never changes.

Identity and time

Publication numberOT-2026-000016387 · never reused
Internal UUID01a0ae6e-2d12-70c6-b034-346c087e93b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016387
StatusPUBLIC

Content hashes

Canonical text6811ae6832b4489252301a616cc71f4f19e7f2b87978d580a1474689a061387e
Markdownb549bcbe72817f9da747336981ae9ad78078cc97d4bb55e26367234516759703
PDF
Publication pageb5a2414d33d33e07f22d67720999e5229b57dd6b8fdb33e28f538c99d0ce7cf1
Manifest304b72628cce5f74298b69168fbfcde901f47545b93e0b8a21d601bce68d8d6a

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
SignatureA+xkvzsS3cXtKaqD573hwWJ/3+xFWFzw2Xum7Cu7ZLw3vEHYdQHZl3/RKhSOONKiYdIW3214hj7Flvl2udK7BQ==
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

2026-09-17T12:04:28.026417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016387
observed b5a2414d33d33e07f22d67720999e522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:28.007727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016387/manifest.json
observed 304b72628cce5f74298b69168fbfcde9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:27.973612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016387/publication.md
observed b549bcbe72817f9da747336981ae9ad7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:27.936354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016387/publication.txt
observed 6811ae6832b4489252301a616cc71f4f...
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.