OpenTechnical

OT-2026-000093281

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000093281) never changes.

Identity and time

Publication numberOT-2026-000093281 · never reused
Internal UUID01a0ae9e-0911-7464-9e7c-d4ec0a758fad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093281
StatusPUBLIC

Content hashes

Canonical textb7e9e3ee8ed7f5a5372c2a37f76b97bb8d2d27a4280e7af24852a65da73bd29d
Markdown69839b5a49b728bf70ecd08592e60c9ffefe6799c176f193216480b3cd94f7ac
PDF
Publication page4314149305c961080b1f09e2102465ec35d2ca05b60beeae71cf27944047b4bc
Manifest3372076a372ad7f7e05db9385ff3f422bf28c76176da8389199d5432098c9f23

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
SignaturetghngyeKu3Nvov91PnyHFRDbUSst+Q0gUb001G6LMr3Je7Bi+V6IbUuHDRFUl+LxZRGwsVj/QztkunkKo5yMCQ==
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

2026-09-17T09:40:39.200730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093281
observed 4314149305c961080b1f09e2102465ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:39.183736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093281/manifest.json
observed 3372076a372ad7f7e05db9385ff3f422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:39.167203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093281/publication.md
observed 69839b5a49b728bf70ecd08592e60c9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:39.147794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093281/publication.txt
observed b7e9e3ee8ed7f5a5372c2a37f76b97bb...
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.