OpenTechnical

OT-2026-000070133

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, supply line pressure sensor, 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-2026-000070133) never changes.

Identity and time

Publication numberOT-2026-000070133 · never reused
Internal UUID01a0ae91-1862-7fda-af01-3df8fd9c9e6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070133
StatusPUBLIC

Content hashes

Canonical text444553cef3f97156fff41302bd3cdaf0b4ba3d35f32d77af881af4cc07db7632
Markdownbb66b671b474b7c0242e60fc9248e4e20966336bed751bad7ca04e9a6d673a39
PDF
Publication page5182eb1d9ec3afb9437fcfc50820a0a9f07ceeb92b1d08819230105316b5784a
Manifest67ee023ba3039bf84a57ad68e8b8972c9a9a45f45836d446ebe43d913d56c6f2

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
Signaturec8O0j63rPG/y5Wkv3GG+QkNwHikIz3ucS9dhl9xMFEZNU3TgFLNHtjKK+kwn03pVocuR72bMmSe/xlJ6cCe/Bg==
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

2026-09-17T10:27:10.553327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070133
observed 5182eb1d9ec3afb9437fcfc50820a0a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:10.534788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070133/manifest.json
observed 67ee023ba3039bf84a57ad68e8b8972c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:10.517093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070133/publication.md
observed bb66b671b474b7c0242e60fc9248e4e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:10.498058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070133/publication.txt
observed 444553cef3f97156fff41302bd3cdaf0...
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.