OpenTechnical

OT-2026-000077108

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000077108) never changes.

Identity and time

Publication numberOT-2026-000077108 · never reused
Internal UUID01a0ae94-f507-76b1-8719-162bdc479a58 · 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-2026-000077108
StatusPUBLIC

Content hashes

Canonical text96cbf3c9fda6a89cdf8a8d525a04b17f0f3668f0dffffa30cca8c26da187ef4e
Markdown946e07634118a4f7a88c4a78849f88eca47d15127d23cd5849a058ec3f69a646
PDF
Publication page129dfdcd15a7918b6793a2ecca99d5a9dee3cce830ae6e7393608c18eb068eb5
Manifest397c144342425632b4397680a20f6a7c89ec4591c066f39d388af154aba0f06d

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
SignaturelnbsqG0SAgRPZJbLOndAUX+8KJFCU3bnns92r8lpNwuso54U7pT50OKivRkvWhyvoyQI/E+BZjFSm1I10Fn6DQ==
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

2026-09-17T10:11:34.967384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077108
observed 129dfdcd15a7918b6793a2ecca99d5a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:34.944736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077108/manifest.json
observed 397c144342425632b4397680a20f6a7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:34.801356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077108/publication.md
observed 946e07634118a4f7a88c4a78849f88ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:34.780413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077108/publication.txt
observed 96cbf3c9fda6a89cdf8a8d525a04b17f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:34.411378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077108
observed 129dfdcd15a7918b6793a2ecca99d5a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:34.391893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077108/manifest.json
observed 397c144342425632b4397680a20f6a7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:34.374044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077108/publication.md
observed 946e07634118a4f7a88c4a78849f88ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:34.355438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077108/publication.txt
observed 96cbf3c9fda6a89cdf8a8d525a04b17f...
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.