OpenTechnical

OT-2026-000091822

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000091822) never changes.

Identity and time

Publication numberOT-2026-000091822 · never reused
Internal UUID01a0ae9d-43ba-7003-bc8b-356efdf585ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091822
StatusPUBLIC

Content hashes

Canonical textfee8dafa1d3d71a798a5d9b1303d36269dfb0bf1b565c52ac4ca0045ce7c83ef
Markdownfa28ae943dc70267095b321aab633ef6ba862f8f2f0ee8bf126a23a9382ba531
PDF
Publication page74879c7c1c9c4cc18cc1c05ca9a5e51f864bbff4307b998fbaaa4f607d7a12a3
Manifestf3c87f6349f41b9e349d704a4cab9dbfc58b2a88465f7af82f72a63de0520260

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
SignatureOjV0vTkY4lJdNkfhVSwJ1VXtwOQDRzIn9BZNwNATMap7AVykNsSQSubcJfDkhfEetA8EzH81iNliZ/d/T4rDDQ==
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

2026-09-17T09:42:44.176549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091822
observed 74879c7c1c9c4cc18cc1c05ca9a5e51f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:44.160760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091822/manifest.json
observed f3c87f6349f41b9e349d704a4cab9dbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:44.142067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091822/publication.md
observed fa28ae943dc70267095b321aab633ef6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:44.123873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091822/publication.txt
observed fee8dafa1d3d71a798a5d9b1303d3626...
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.