OpenTechnical

OT-2026-000073196

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000073196) never changes.

Identity and time

Publication numberOT-2026-000073196 · never reused
Internal UUID01a0ae92-efb6-79df-bebd-05fdd8ee443d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073196
StatusPUBLIC

Content hashes

Canonical textc520cdb098cf9da48bf5d46bd42ef5e6737e240eb661113f44a26804d8a71bab
Markdown40c2eba6e5e993803e27952fb6f7d7919cee65c98ea193ece146f72d6de303c4
PDF
Publication pagedb917a122ebc0fd4d0cf6fb2cfcf897381aa871859be10fac68193e47330561c
Manifest6e57549bf8622b50f9abdade873f2879746174b395ae78bfa73df4438855e89f

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
SignatureR1k05AqjPP2g63gGe32YUfsrleed54YTZfHn+zlZAwxfuCFV17f/AtzcblU1qIxMJYqC3RY8wFMW3sxVSUFnDA==
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

2026-09-17T10:21:09.450429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073196
observed db917a122ebc0fd4d0cf6fb2cfcf8973...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:09.430559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073196/manifest.json
observed 6e57549bf8622b50f9abdade873f2879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:09.409849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073196/publication.md
observed 40c2eba6e5e993803e27952fb6f7d791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:09.388970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073196/publication.txt
observed c520cdb098cf9da48bf5d46bd42ef5e6...
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.