OpenTechnical

OT-2026-000067901

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000067901) never changes.

Identity and time

Publication numberOT-2026-000067901 · never reused
Internal UUID01a0ae8f-c4fc-7b66-b29e-6e0ab4c04775 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067901
StatusPUBLIC

Content hashes

Canonical textc041355393512420aaab37cb1398c2b48dc1ee5399ae061aa5a5b59f41e4d1cf
Markdownc23968490a0e77dbde7c4c9608c1a4a95a5fcda38eb757710341c3c5af6b49c9
PDF
Publication page59116dc571136e5cc471fcccfc0373bb2dc9bb525ddeab140ed95d60cc74661d
Manifest4183f6ddcb32a7c2724e88652288cd14de7ccd554c69a3e500a41566c17da3c0

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
SignatureJRBhui64BTjpwdlcI+pA0owWAnkOy0OdAdB06Wl34A91ia/H/LDCQKTkW73fRRcsIju6zNSAmc8Mo4V3xOeHBg==
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

2026-10-02T08:41:13.562865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067901
observed 59116dc571136e5cc471fcccfc0373bb...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-02T08:41:13.489112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067901/manifest.json
observed 4183f6ddcb32a7c2724e88652288cd14...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-02T08:41:13.415797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067901/publication.md
observed c23968490a0e77dbde7c4c9608c1a4a9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-02T08:41:13.296888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067901/publication.txt
observed c041355393512420aaab37cb1398c2b4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-01T12:41:26.999982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067901
observed 59116dc571136e5cc471fcccfc0373bb...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-01T12:41:26.928420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067901/manifest.json
observed 4183f6ddcb32a7c2724e88652288cd14...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-01T12:41:26.805989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067901/publication.md
observed c23968490a0e77dbde7c4c9608c1a4a9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-01T12:41:26.701641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067901/publication.txt
observed c041355393512420aaab37cb1398c2b4...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent