OpenTechnical

OT-2026-000083730

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold 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-2026-000083730) never changes.

Identity and time

Publication numberOT-2026-000083730 · never reused
Internal UUID01a0ae98-0417-761a-bdeb-054dfdc736e1 · 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-2026-000083730
StatusPUBLIC

Content hashes

Canonical text0b4ea478280a497d47460453837cd048e11ab71d3ceec47d2b94aa1143f53924
Markdownee2d40a486bc68b0648bd6b3677b0763ef09c8e179276642b9fbdf7c960bb55f
PDF
Publication page84980b9d97c2918f66b4da530f3c8dcfb9a2cb7a1971909fd485b7fec93d94fd
Manifest33807c958945f90cabdad76b3c26d9aa36b8d67df2f2c9f5d3ffb87d7f090976

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
SignatureW/GFHnAH4kfxzuWMkhOyjS4EbrNBC39OiYpipCercmUVGptub4BfcoYIRROAUJeHvcqMUF3axP4+G2PhdLjdAA==
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

2026-09-17T09:57:21.851830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083730
observed 84980b9d97c2918f66b4da530f3c8dcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:21.835596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083730/manifest.json
observed 33807c958945f90cabdad76b3c26d9aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:21.818586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083730/publication.md
observed ee2d40a486bc68b0648bd6b3677b0763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:21.799726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083730/publication.txt
observed 0b4ea478280a497d47460453837cd048...
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.