OpenTechnical

OT-2026-000050713

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000050713) never changes.

Identity and time

Publication numberOT-2026-000050713 · never reused
Internal UUID01a0ae82-c7b1-734c-8333-311dddfccf4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050713
StatusPUBLIC

Content hashes

Canonical text9f6f43b33ad795c1040857cf85bc07718fc4aa03f9ce7c5bef80d2f6558f1ee3
Markdown7caa157cfd482e83c0bf027ac648ce0279c290131e8622645865358da1a0dc3f
PDF
Publication pagee7bd1b54c2c0d97b4bd157541d613505c4cfba4d1c68b79fcbfe5aaf9527ecbc
Manifestfbfdee5531444cdab2dd47cc5ffa338c439e0aadf9add4b5b0503bd56b2c2143

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
SignatureAipTCK/999MRSXHrAF1T/JB3+xbiUb6snDal6sgBOetJdFZTem32/TTYMFpP11hn8XRjfym3Z2NFJ9/g+4uRDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:00:04.146711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050713
observed e7bd1b54c2c0d97b4bd157541d613505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:04.123244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050713/manifest.json
observed fbfdee5531444cdab2dd47cc5ffa338c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:04.123212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050713
observed e7bd1b54c2c0d97b4bd157541d613505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:04.103523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050713/publication.md
observed 7caa157cfd482e83c0bf027ac648ce02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:04.100069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050713/manifest.json
observed fbfdee5531444cdab2dd47cc5ffa338c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:04.080491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050713/publication.md
observed 7caa157cfd482e83c0bf027ac648ce02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:04.074785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050713/publication.txt
observed 9f6f43b33ad795c1040857cf85bc0771...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:04.058291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050713/publication.txt
observed 9f6f43b33ad795c1040857cf85bc0771...
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.