OpenTechnical

OT-2026-000077547

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000077547) never changes.

Identity and time

Publication numberOT-2026-000077547 · never reused
Internal UUID01a0ae95-2ece-7f0d-9a86-c4152dd57a77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077547
StatusPUBLIC

Content hashes

Canonical text6bb06ec1db23e1abfe66d1a837695db9a847b4e92bbcf2ff0262ec37eb7e9ece
Markdowndef8c34575046cf315c192c755b548073f217edc5ff9e2f50398a45b2951ebdd
PDF
Publication page9bb58240d79bcfd8312334c7b2fa67df05485694cb7345e670ee2eba22377561
Manifest978fd4a2a5289dec3ef83c55282c10028e62ee31d78c1dee07b31e0e530cd434

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
SignatureGFjMn55mpw3bZmiPsWmPhhMZ0su1eWHCbKz9ujg/3m6E/QceYwRaZ+au2uSt6KzLPXnkYH2pIE++FprmsTx2CA==
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

2026-09-17T10:07:01.365358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077547
observed 9bb58240d79bcfd8312334c7b2fa67df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:01.342652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077547/manifest.json
observed 978fd4a2a5289dec3ef83c55282c1002...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:01.314165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077547/publication.md
observed def8c34575046cf315c192c755b54807...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:01.287820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077547/publication.txt
observed 6bb06ec1db23e1abfe66d1a837695db9...
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.