OpenTechnical

OT-2026-000029757

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000029757) never changes.

Identity and time

Publication numberOT-2026-000029757 · never reused
Internal UUID01a0ae73-5e24-7c7d-bcbb-69cefe90617a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029757
StatusPUBLIC

Content hashes

Canonical text0e0f046de18cf3f619f30850d496ae2fe83827e1ab516ad72129e8df8bd7e4bf
Markdowndb7d5d9666ed171ddf63b816588e1c746ef86b9b908cde0477595e4b31eef820
PDF
Publication pagef15d1603881280eec25ee41e75965a43385dc431ef017077472d90a5e9f6b52e
Manifest6e5b25bbb9bc90759846804edc0cefd45f8523cb4b72c1592d3595c0a3d60b26

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
Signature+8F/iVRShhIPsmen3FMuTDVmy/HGixq6y5boJflv83Re6U0lAk/SDwvxXSZ7FI0PrkRbiMB8Oc2EiQEIKmNzCA==
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

2026-09-17T11:39:31.220975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029757
observed f15d1603881280eec25ee41e75965a43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:31.202942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029757/manifest.json
observed 6e5b25bbb9bc90759846804edc0cefd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:31.181388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029757/publication.md
observed db7d5d9666ed171ddf63b816588e1c74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:31.159683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029757/publication.txt
observed 0e0f046de18cf3f619f30850d496ae2f...
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.