OpenTechnical

OT-2026-000089152

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, supply line 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-2026-000089152) never changes.

Identity and time

Publication numberOT-2026-000089152 · never reused
Internal UUID01a0ae9b-db00-718b-bc1a-1d4630cf6116 · 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-2026-000089152
StatusPUBLIC

Content hashes

Canonical text238ab78af4bcc643fd2b3120f63fb58b6be378bb502f157a1df1f975e1d6d8a7
Markdownd3e241a41e518af5619a8921ca3954732133999853ade2a0c0d0922f99768899
PDF
Publication pagec5ab803e3254de8e4f24083c15414b905a321ede5a6b4b8685a13b753be9cab3
Manifest6616ea853cc07382e2f226f19ccd1bb008c67f00df7532d1173d375f50624143

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
SignatureZ4IoYKIMfKpvqSYgQmS2CHaeftRd9UaCealEF7Ny+xzvXZqOsJikT2BEh4/rBA7FYIGrVsBZWsVRFKaT1Kx/BQ==
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

2026-09-17T09:47:04.540687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089152
observed c5ab803e3254de8e4f24083c15414b90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:04.524221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089152/manifest.json
observed 6616ea853cc07382e2f226f19ccd1bb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:04.508040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089152/publication.md
observed d3e241a41e518af5619a8921ca395473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:04.491631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089152/publication.txt
observed 238ab78af4bcc643fd2b3120f63fb58b...
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.