OpenTechnical

OT-2026-000073898

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum 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-2026-000073898) never changes.

Identity and time

Publication numberOT-2026-000073898 · never reused
Internal UUID01a0ae93-2b8e-7bce-aace-7e733f15cea9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073898
StatusPUBLIC

Content hashes

Canonical texte0b2fbcf2467070807fc861dac434590f73dc43da14b1d48d6bb076e9b0cff3a
Markdown127f1ceb54565e0f7fa047ec4867868ad2754cdabb342de1ca88160239b59a54
PDF
Publication page4a7bc2939afb7b03c3fbc4792dbf2b7b9bce08fbe6825ec16b258deea1c6d7f9
Manifesteffa7bcf81ca9c1cb193e14474fa4c40526e51113afe305e414028a1d7441069

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
SignatureN/rwz7f2iS2jss2EoyBihChWBg0XS8mW9vHn3ea/tW7FstyeIPQilMjmOpPycce/R5ZyuXBFJql3Q7vTpR22Bg==
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

2026-09-17T10:20:03.210547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073898
observed 4a7bc2939afb7b03c3fbc4792dbf2b7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.191701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073898/manifest.json
observed effa7bcf81ca9c1cb193e14474fa4c40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.171054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073898/publication.md
observed 127f1ceb54565e0f7fa047ec4867868a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.153929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073898/publication.txt
observed e0b2fbcf2467070807fc861dac434590...
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.