OpenTechnical

OT-2026-000021434

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed 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-2026-000021434) never changes.

Identity and time

Publication numberOT-2026-000021434 · never reused
Internal UUID01a0ae6f-865d-7441-9cec-0959784f385e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021434
StatusPUBLIC

Content hashes

Canonical text53cbe81c70b0e7819443e262bfba7823e9b3abf328fd893b3c9f7dbc751379fb
Markdownc2539766eacbdc2dbb800e817918d2d1752845e9e651352056583ebcb0c9672a
PDF
Publication page1eb10b27e0204c35ce42efc11b4e3b33be31d28c87d380eefa2a3cae84e494e2
Manifest0bad83c4bbee7f039f58897b5e816ebe0cd0f49eed8fb5d5cae3930f2d0d3e65

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
Signaturezb2Dk3noYN39dNbAZZGXuZK6p39aKCVOblokzbiBbnYqBrksV+rsLcBuNfMSAQVuAUvpQdJD8g6z3P2YdH9oAQ==
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

2026-09-17T11:55:20.450519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021434
observed 1eb10b27e0204c35ce42efc11b4e3b33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:20.428863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021434/manifest.json
observed 0bad83c4bbee7f039f58897b5e816ebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:20.409417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021434/publication.md
observed c2539766eacbdc2dbb800e817918d2d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:20.388643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021434/publication.txt
observed 53cbe81c70b0e7819443e262bfba7823...
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.