OpenTechnical

OT-2026-000062804

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000062804) never changes.

Identity and time

Publication numberOT-2026-000062804 · never reused
Internal UUID01a0ae8c-8121-7fc3-9615-e4e67a4fe921 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:18.835760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062804
StatusPUBLIC

Content hashes

Canonical textff08132ad44abe7a959c57c74dc07c161a6410959bd9e18ef3380aaf9ecd07be
Markdown50fa4659883188ccab6885a5c51bdeb33886528de495a32f06b6cab25d0992d3
PDF
Publication page8f37311f1b251055d41fa85e50ff21e34f6ef472a85f30f0de869cf3fbcfef61
Manifestf4312cffedfa25cf2c33781b24476bdb55a65e041187273e4a082f72017d718e

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
SignatureuddXnlSmE0o1/Knc/XwtOXw4x5Op0S9+3XNyjxbqoXa/0j6Ap9s3J9HT6tEJc25jGA2Mk0Pr4I/5wFa1zEAgAA==
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

2026-09-17T10:39:12.268239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062804
observed 8f37311f1b251055d41fa85e50ff21e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:12.251040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062804/manifest.json
observed f4312cffedfa25cf2c33781b24476bdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:12.233705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062804/publication.md
observed 50fa4659883188ccab6885a5c51bdeb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:12.152309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062804/publication.txt
observed ff08132ad44abe7a959c57c74dc07c16...
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.