OpenTechnical

OT-2026-000081940

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000081940) never changes.

Identity and time

Publication numberOT-2026-000081940 · never reused
Internal UUID01a0ae97-0f76-7e90-a863-dbc5080ed9cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081940
StatusPUBLIC

Content hashes

Canonical text522cab14c9b497dae14cc06fac5cc8d4f573412a61951b3d028c147ec2a097de
Markdowna84de06fa7e39c383516168e36dcaa819cd315a48d8dff2a364d9a720213d2d7
PDF
Publication pageda733667d8a3b7e4ffa7ee6be0fdec7c3e49e4902fde1488c1d51fba0090928c
Manifest0adb6481da7c8cd4e9f1abd9347695e18bfb52771f1bf1e5b37148a43b902296

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
Signaturegu3PG34bX2+IdoheP/pnjsk+Vy2xCrdnD440HrEZGbgyeidK6DSXC35gWb011P65yqgEzJqq0MuZdW0AuwtuCA==
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

2026-09-17T10:01:04.395251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081940
observed da733667d8a3b7e4ffa7ee6be0fdec7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:04.378941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081940/manifest.json
observed 0adb6481da7c8cd4e9f1abd9347695e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:04.360683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081940/publication.md
observed a84de06fa7e39c383516168e36dcaa81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:04.343272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081940/publication.txt
observed 522cab14c9b497dae14cc06fac5cc8d4...
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.