OpenTechnical

OT-2026-000087956

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000087956) never changes.

Identity and time

Publication numberOT-2026-000087956 · never reused
Internal UUID01a0ae9b-1aa6-767e-a96d-690044bb1758 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087956
StatusPUBLIC

Content hashes

Canonical text6d9df38bf53a2c938007239a6d88caf56edfad4f5d2635cfeaea7c9baf6f2773
Markdowne2d63dc6e403432d51cd54f655762275d3c44860d458416997c465c95173f124
PDF
Publication page9f67264a83b0bc204100f5ab277984285d71b8660889a10c5c8d42513a1cc659
Manifestcf4560e9d79c44be15af7d70b8d0215557679564aea7504f89741ee666a80a9f

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
Signature4PiNhRrHc5zR0nUknbMgVU8iqQ7euF7ze7imlFs4jPaxbY5LuwFzEfJG/PBJ9X+S5w3dTDuJTv5gHII9mCEHAQ==
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

2026-09-17T09:49:14.854557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087956
observed 9f67264a83b0bc204100f5ab27798428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:14.837409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087956/manifest.json
observed cf4560e9d79c44be15af7d70b8d02155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:14.818331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087956/publication.md
observed e2d63dc6e403432d51cd54f655762275...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:14.785559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087956/publication.txt
observed 6d9df38bf53a2c938007239a6d88caf5...
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.