OpenTechnical

OT-2026-000083757

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000083757) never changes.

Identity and time

Publication numberOT-2026-000083757 · never reused
Internal UUID01a0ae98-0417-7ef0-bdfa-3bb2e3856396 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083757
StatusPUBLIC

Content hashes

Canonical textf201d4bc44f8e58e1612689634b61da77ce5a36f8c0c87f6be60786838e49499
Markdown60d636d9791bd11ecb521471a56d85af240739ca3e74f94057880dc647cce141
PDF
Publication pagee74a5c3217f238bdf009b8827d20d3651a3a9a8f0c6ce8ceaa7e9022a601b8e1
Manifest309a258bc1862a8dbef444a64294dfac349da1c88801f99259a7b61c4a5c7b02

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
Signaturej9/O9Gbg7BUhWsX1bg74LAZMPlgXYvW8ozIdnl7rCv6PTEDpa/jpL+ZaGwoXWlHbk42GSTA42grU7dbUy3NWDw==
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

2026-09-17T09:57:23.780389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083757
observed e74a5c3217f238bdf009b8827d20d365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:23.763432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083757/manifest.json
observed 309a258bc1862a8dbef444a64294dfac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:23.746105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083757/publication.md
observed 60d636d9791bd11ecb521471a56d85af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:23.729587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083757/publication.txt
observed f201d4bc44f8e58e1612689634b61da7...
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.