OpenTechnical

OT-2026-000088816

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three 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-2026-000088816) never changes.

Identity and time

Publication numberOT-2026-000088816 · never reused
Internal UUID01a0ae9b-8f10-7ca7-ad70-0ef3938477a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088816
StatusPUBLIC

Content hashes

Canonical text7b8020b28f5ffb9a679b14f407b46fab98bce28855971e46eec64a7cf7e9fc05
Markdown16969593a5791b524b9714e6ff3beff0f9b2c7831db613b55f32f9d265d7ad08
PDF
Publication page79fbd6dd6782de2fdd41addc17af48fb43729b7f74d0d862a9446547e12007a3
Manifested2808b68c25155d49462f49517afa75706bbb301a89cc44460d34d57e754a77

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
Signature25YVpMwXjFwbBfIC62k6A7CDMPczNetoplZuNr1TjBSQI8xWfLAq1GfFhu+kbYX1qiTFKZxpsLOw05FgO9zfDQ==
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

2026-09-17T09:48:12.117980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088816
observed 79fbd6dd6782de2fdd41addc17af48fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:12.099789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088816/manifest.json
observed ed2808b68c25155d49462f49517afa75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:12.080026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088816/publication.md
observed 16969593a5791b524b9714e6ff3beff0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:12.061150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088816/publication.txt
observed 7b8020b28f5ffb9a679b14f407b46fab...
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.