OpenTechnical

OT-2026-000015089

Publication integrity record

Single cup vacuum gripper, two stage ejector, 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-2026-000015089) never changes.

Identity and time

Publication numberOT-2026-000015089 · never reused
Internal UUID01a0ae6d-d097-77b4-96f0-7d3189ac0f30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015089
StatusPUBLIC

Content hashes

Canonical text6097100bfe8bf48a352eafd7f8a38f623b4c27d26698e78a56ad844caea9accc
Markdown8e3ae6dd3022924f7f36ce86ecde6c6c5c5b3b51b17abd8e5f0af552c837d23a
PDF
Publication page340581fd45c2b456fcabd245343a177cdd692827ce9667963e1a3695f91b85e6
Manifestb8d5d32afb849c083b3ea9ba97ebb0b6921e93d197aa5c01ee1779c530d0d301

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
Signaturex3nmKuoZD4Y1s7ZGOV4HHUIr+WSrGogo6ESJncZmh4fdGLbEdQihg0ZrAtL3O15tyecym16kGp4lO0VB3jBMBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:07:08.608068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015089
observed 340581fd45c2b456fcabd245343a177c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:08.588267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015089/manifest.json
observed b8d5d32afb849c083b3ea9ba97ebb0b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:08.569752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015089/publication.md
observed 8e3ae6dd3022924f7f36ce86ecde6c6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:08.552277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015089/publication.txt
observed 6097100bfe8bf48a352eafd7f8a38f62...
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.