OpenTechnical

OT-2026-000045569

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000045569) never changes.

Identity and time

Publication numberOT-2026-000045569 · never reused
Internal UUID01a0ae7d-8f02-7fee-a0ac-764e28323cf3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045569
StatusPUBLIC

Content hashes

Canonical textdfac2becd8b7132e91cebf04bf250bff6f6e49fb6cdd1b32d429423aa26770de
Markdown3657e7611b095c4af3eb8f974be9b861962aabf0b3623ff4e709eb82571e4a0c
PDF
Publication page250d14a11fcf0722832df7bea37478bae6244b929a21858335eb76a90f146065
Manifesta33dc571470a7f69ff32a56ca4383b12839e6ef3e69500af1a368007cfbcb6f8

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
SignaturesCUuYiGNQAg13Fits4xNTVWCZUycop4wSIT/o1eNvudhWO6dfki985w9DmsFfq4nuNX8nhV0e0ofsuWtmIesAQ==
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

2026-09-17T11:09:19.768896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045569
observed 250d14a11fcf0722832df7bea37478ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:19.750677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045569/manifest.json
observed a33dc571470a7f69ff32a56ca4383b12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:19.731103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045569/publication.md
observed 3657e7611b095c4af3eb8f974be9b861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:19.712902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045569/publication.txt
observed dfac2becd8b7132e91cebf04bf250bff...
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.