OpenTechnical

OT-2026-000076066

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000076066) never changes.

Identity and time

Publication numberOT-2026-000076066 · never reused
Internal UUID01a0ae94-6a6e-77db-a525-2cbcd103c2f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076066
StatusPUBLIC

Content hashes

Canonical textf05867d453e43ea15ed960888768c5aa4531ed0e063d94c629f9625691b39ab0
Markdownc5dbcf863d35b0f69179255a45174ea7228de15f000e6f1d2cd51a3f520f14f8
PDF
Publication pagedfbd8513999a65504d686f560dd0d0d2e3ed0f6c1ad7d8f5ed6a86ef092a50d2
Manifest1f1090f9ca44e3742fc09e6254328c4efc2227a687991cee0cd768257103f740

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
SignatureV4DaClPtZpTYSlM40jYZztsTqJO2gFzCYHzlcDCClB48p9DxdF0VZyWKFbcba58cD2+lP7Ja1ootmLi7dmBwCA==
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

2026-09-17T10:10:49.440729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076066
observed dfbd8513999a65504d686f560dd0d0d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:49.292428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076066/manifest.json
observed 1f1090f9ca44e3742fc09e6254328c4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:49.272959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076066/publication.md
observed c5dbcf863d35b0f69179255a45174ea7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:49.250498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076066/publication.txt
observed f05867d453e43ea15ed960888768c5aa...
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.