OpenTechnical

OT-2026-000073881

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000073881) never changes.

Identity and time

Publication numberOT-2026-000073881 · never reused
Internal UUID01a0ae93-2b8e-7068-918c-60763be9bc82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073881
StatusPUBLIC

Content hashes

Canonical text5fdc8a8c4725ab1a36411409c36a8db4dd835aadb15b2e11bf1a3dccf29a2caf
Markdownfb513fc24a88abf47e13101d2c3cddb4d8afae1ded2032a844f43002c886f68d
PDF
Publication page1866b25c23c48ac51c2029dffdf74e8dbee059f6d0e98babb9c687e626b6bce3
Manifest0bc9b24deb229c5686c962a2f347c3637115273839e4964230bc9f36f23aea25

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
SignatureIbONA0cASZQTDbR8AZVutqXecKxaC1A2I/Wjjzm6zFwK7ejqTRtf40KrfSe0WunzFauerxAnw+5FdDMo50MeCA==
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

2026-09-17T10:20:01.875246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073881
observed 1866b25c23c48ac51c2029dffdf74e8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:01.856859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073881/manifest.json
observed 0bc9b24deb229c5686c962a2f347c363...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:01.839539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073881/publication.md
observed fb513fc24a88abf47e13101d2c3cddb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:01.820748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073881/publication.txt
observed 5fdc8a8c4725ab1a36411409c36a8db4...
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.