OpenTechnical

OT-2026-000081346

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, vented after 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-2026-000081346) never changes.

Identity and time

Publication numberOT-2026-000081346 · never reused
Internal UUID01a0ae96-f374-7591-afc6-0d8831fcd2c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081346
StatusPUBLIC

Content hashes

Canonical text4fd17363b0576ae1c62132ff32a1cb5cdf4687e8859ed3a9a7032030d1fa0364
Markdown43d0097c5e4bc4d74d09d0c6b332a29ce41fd14dfdd1facd309d3fd025fdb953
PDF
Publication pagebabe02803af8a1f3586b1801a9283e03a39c7b90af981b4347065a6b423b0f67
Manifest9be3e3c0cc98a6990174d8439f4881ce951635ede111eef0fee05376a334c0ee

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
SignatureqHFDxuXj/IrbDcUgbjXWhP0gsKJvH2B+qqM3k34fIfAezZfxw3RSYLdjM3MIXS2aB/7/Uo1FSKQWdJmcWCY2Ag==
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

2026-09-17T10:01:28.399273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081346
observed babe02803af8a1f3586b1801a9283e03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:28.381477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081346/manifest.json
observed 9be3e3c0cc98a6990174d8439f4881ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:28.363754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081346/publication.md
observed 43d0097c5e4bc4d74d09d0c6b332a29c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:28.346250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081346/publication.txt
observed 4fd17363b0576ae1c62132ff32a1cb5c...
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.