OpenTechnical

OT-2026-000089610

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold 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-2026-000089610) never changes.

Identity and time

Publication numberOT-2026-000089610 · never reused
Internal UUID01a0ae9c-1a21-785d-857c-5a3845169a45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089610
StatusPUBLIC

Content hashes

Canonical text96de6c774a6e339dce8b6cba56b1654cba3468bae701a81c254ffd39a9910f74
Markdownbb6637da2fe3523a0ff5d343305984ee61cd96f3c6dd8dda73576a921ac82aaa
PDF
Publication page0b96a68de85240961387387d2f6ad77c6496440609efb10e37424a9739b58d65
Manifest327462601073f50301a0b164ab19494fae31d85f8d217114857bc4a045ba5fa7

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
SignatureF74QCeEEEFYzoFSvDfibrW7BEifknFJClvr1w78dKasfskxavtneGkqdZXZkkfdO7icM4y6Tk7kEzG53MHriAg==
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

2026-09-17T09:46:35.466514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089610
observed 0b96a68de85240961387387d2f6ad77c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:35.446232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089610/manifest.json
observed 327462601073f50301a0b164ab19494f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:35.427662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089610/publication.md
observed bb6637da2fe3523a0ff5d343305984ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:35.408228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089610/publication.txt
observed 96de6c774a6e339dce8b6cba56b1654c...
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.