OpenTechnical

OT-2026-000050574

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000050574) never changes.

Identity and time

Publication numberOT-2026-000050574 · never reused
Internal UUID01a0ae82-5c49-7602-924e-cfada49f90be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050574
StatusPUBLIC

Content hashes

Canonical textc8f208c8bc66b66de75241c8efe0688bf99821a622c330fdc372b73f1a6e327d
Markdowne0dfe5fcd2b69fd3013fe59f2f37f790e67ededb89bb90ffc8a7027ead2a6a77
PDF
Publication paged7a8b894dc188478200bc7326992beeb9ff1c6f61b28ce7c5bb53ea6d8dda728
Manifest67a2ddf64e113a0795d3755fd5444180c3871ee9d136b3133aa4ccf4b7ed94fe

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
SignatureioKRMD734NNtqbMk47cO6ewSSN6oshfwy89a3kg+jjPJGhNiNRXwftkhur7dtwTEApfH4Y3ssCwRQg0h5AGxBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:40.523814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050574
observed d7a8b894dc188478200bc7326992beeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:40.507379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050574/manifest.json
observed 67a2ddf64e113a0795d3755fd5444180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:40.489187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050574/publication.md
observed e0dfe5fcd2b69fd3013fe59f2f37f790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:40.471421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050574/publication.txt
observed c8f208c8bc66b66de75241c8efe0688b...
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.