OpenTechnical

OT-2026-000077043

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000077043) never changes.

Identity and time

Publication numberOT-2026-000077043 · never reused
Internal UUID01a0ae94-f506-7ae5-9abc-d141e31c76df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077043
StatusPUBLIC

Content hashes

Canonical text50d3c209eb47063d5ddc1b5719768e9f68c98128d118a5511875f4419390ff57
Markdown7837557514b8d6fea2fb05040255f41171db039bc57b43aea3c363cfee44206c
PDF
Publication pageaa214dca8a3beae42b3362b4343fff69e23471b32ec5abababc602d74715dbe6
Manifestc4b57e38af648d15320c142c4d9945b73cb6c1a5f3517fb00477bb6c8c97711b

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
SignatureWn/lCMIk5V/tyVhFT0H2i4uzZlWQ5M1XF7yrv7FV8/JuvgJ+XdzqXpCQ35THl86WJ9rIIzlEV66v1hk9yG0dBg==
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

2026-09-17T10:11:12.735012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077043
observed aa214dca8a3beae42b3362b4343fff69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:12.716638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077043/manifest.json
observed c4b57e38af648d15320c142c4d9945b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:12.695247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077043/publication.md
observed 7837557514b8d6fea2fb05040255f411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:12.553591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077043/publication.txt
observed 50d3c209eb47063d5ddc1b5719768e9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:29.347458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077043
observed aa214dca8a3beae42b3362b4343fff69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:29.329625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077043/manifest.json
observed c4b57e38af648d15320c142c4d9945b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:29.309931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077043/publication.md
observed 7837557514b8d6fea2fb05040255f411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:29.290861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077043/publication.txt
observed 50d3c209eb47063d5ddc1b5719768e9f...
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.