OpenTechnical

OT-2026-000077799

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000077799) never changes.

Identity and time

Publication numberOT-2026-000077799 · never reused
Internal UUID01a0ae95-2ed0-7bab-8376-bad64264e4c5 · 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-2026-000077799
StatusPUBLIC

Content hashes

Canonical text2ed3f185bb405b7a95f37e9f371e5763edd5ae9fd248ed1e800671d5c1b3ff0b
Markdown03f9ca0b079b8babda95a084acde879338b25c814b43fe35dd046614c9ec943d
PDF
Publication page62e54f21e750167199e2949abf74076d8a6e774a7a62db167cd2d07144697464
Manifest0d15ca28968c9a9dc1f254007169d870ab286a29fd3d22b1aa72f3044a5be1be

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
Signaturee+4R28p+A030pn6/UROEtdE1Vq+P81aM60lfVt8qBKzgLX+Gtgxmvzy8lgyBTv+SaN8Uq5NayeC2Tf+vja4MCQ==
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

2026-09-17T10:07:23.435636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077799
observed 62e54f21e750167199e2949abf74076d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:23.415813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077799/manifest.json
observed 0d15ca28968c9a9dc1f254007169d870...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:23.397849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077799/publication.md
observed 03f9ca0b079b8babda95a084acde8793...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:23.378153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077799/publication.txt
observed 2ed3f185bb405b7a95f37e9f371e5763...
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.