OpenTechnical

OT-2026-000089496

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000089496) never changes.

Identity and time

Publication numberOT-2026-000089496 · never reused
Internal UUID01a0ae9b-db02-7a61-a2d1-3dbe97363061 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089496
StatusPUBLIC

Content hashes

Canonical text9f0a503cc8bc21e8ad1c6ae741b2bec9646a7212960823bd07d0d066b75ad95e
Markdownb0f3a45dc2edde760c0c11cdf9190672f9c4b72fb9c1523be83c140d2ac10b58
PDF
Publication page62e240c90790b4c8d30f31bb69ed9574e7e4a523e7dfc2cbcf65f276775d6000
Manifested91da017f851a57547849ae79a0e2f9147fcab1035ab283aba37d7f5bf1ad3c

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
SignaturezPe5XK9TTOPHvg06HZ40yvcRD2qOpKEBduxYhmDqtNQ2SNZLX7ZRgGIo8fxMHIuTGsAHnnDEHCCXx03Qp1ckAw==
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

2026-09-17T09:47:38.958477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089496
observed 62e240c90790b4c8d30f31bb69ed9574...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:38.940131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089496/manifest.json
observed ed91da017f851a57547849ae79a0e2f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:38.921534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089496/publication.md
observed b0f3a45dc2edde760c0c11cdf9190672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:38.904976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089496/publication.txt
observed 9f0a503cc8bc21e8ad1c6ae741b2bec9...
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.