OpenTechnical

OT-2026-000081919

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, 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-2026-000081919) never changes.

Identity and time

Publication numberOT-2026-000081919 · never reused
Internal UUID01a0ae97-0f76-7edb-a3b5-0226123b83f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081919
StatusPUBLIC

Content hashes

Canonical text964718bb85876739a3fa57d840201e484fc2ee8306eb29f78540e72c56bea982
Markdownb6440b4313902d732478878249bece07d4608c59fe05acb75399e76f15ddf4f4
PDF
Publication page2a8a65ba68e1db258af9a57e507e6315fba8bc3df4ca52af91d78981d784f6ba
Manifest3972e23099c17fb8acffe065cdb32f45388d25681dbb350e98d869a54c52f51d

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
SignatureVzhj2K2/UQJOT38DUW9KbibBcgvjBTerIe0dx1Gcw7O3kNVZhOmncFWsFxixaWxdQ4VFyQi+iM9o68HJm9LqAg==
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

2026-09-17T10:01:02.860979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081919
observed 2a8a65ba68e1db258af9a57e507e6315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:02.844922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081919/manifest.json
observed 3972e23099c17fb8acffe065cdb32f45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:02.828630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081919/publication.md
observed b6440b4313902d732478878249bece07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:02.808965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081919/publication.txt
observed 964718bb85876739a3fa57d840201e48...
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.