OpenTechnical

OT-2026-000067473

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000067473) never changes.

Identity and time

Publication numberOT-2026-000067473 · never reused
Internal UUID01a0ae8f-6bd9-7d7b-9aeb-27662f57e86e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067473
StatusPUBLIC

Content hashes

Canonical text7942609495349b71c675e3427cd4d6169f23b2f11152af9d603609bbabd86418
Markdownb99f77e2dd2fbc80edb7b36bd6068bc2adaebe7ff60492284bc46f7d34c02a32
PDF
Publication pagea2fcb9bc1b7f1442ebf72d637b3c945ea47fd2f3844959fd5d5948506c83192f
Manifest69cb9692dfb52d1ca9457395f465df55147fc1d7480d2197f7933e8b4ee019ee

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
Signaturep8vkNHzOpY2DbC17Z47JYuiQWYVAb/j2yW1PHhhhHtk3keLPd7PqArTzReOG2AOoeyQMzk9YY8giAWb/C0NwAw==
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

2026-09-17T10:31:40.958441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067473
observed a2fcb9bc1b7f1442ebf72d637b3c945e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:40.940231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067473/manifest.json
observed 69cb9692dfb52d1ca9457395f465df55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:40.921515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067473/publication.md
observed b99f77e2dd2fbc80edb7b36bd6068bc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:40.905232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067473/publication.txt
observed 7942609495349b71c675e3427cd4d616...
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.