OpenTechnical

OT-2026-000076549

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000076549) never changes.

Identity and time

Publication numberOT-2026-000076549 · never reused
Internal UUID01a0ae94-b06d-7706-8d5b-e25a934458aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076549
StatusPUBLIC

Content hashes

Canonical textf8193e61fd0d7097ba11cdf184619e79b5b6e450f267f9b05fa380e9f2998b2e
Markdown81268ecbeb3d9bd86dd2f7cda9c27e15fa885eaf23a782aee54943e278276d2e
PDF
Publication page035afaaa10568f799ed06607b6f09e8a516a63d469c77903da17e64f544b0d2a
Manifestb826bf5893480fe04ee5440bb6a8d8415f2d797bdf08ff89cc1029c8c7da9376

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
SignatureBOrHwFmf/4OLL+4xJOWDdPmBJy+b80zvB5rUbqGhDl/+2ZG+MW6G87VO2mFyJx4GjTQOSkwYKwSzgxK2q/CbDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:09:15.969994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076549
observed 035afaaa10568f799ed06607b6f09e8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:15.950053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076549/manifest.json
observed b826bf5893480fe04ee5440bb6a8d841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:15.931793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076549/publication.md
observed 81268ecbeb3d9bd86dd2f7cda9c27e15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:15.912187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076549/publication.txt
observed f8193e61fd0d7097ba11cdf184619e79...
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.