OpenTechnical

OT-2026-000035881

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after set-down, on a tool changer

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-2026-000035881) never changes.

Identity and time

Publication numberOT-2026-000035881 · never reused
Internal UUID01a0ae76-b4c9-738d-8bb2-6564435c7876 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035881
StatusPUBLIC

Content hashes

Canonical texta8749b647096994073304e62317a826cfe898fa811e3e01f676959d7bca902d2
Markdown9670d2e57e45480912debe4b2bd6c1bbcb31c3975f5f6914eda2e29b90e0a81a
PDF
Publication pagee35b5a985233cf003ea5c97f953b90e2bb5034dac4e8b0d7bd3af040256cc494
Manifest8ea9db244af06e76cc7972a42eb2dbbf8557197c4a32ec67aac9dbfdc7c2c81f

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
SignatureFeplcoEyi7X4UmnFIrDXpIHgAoufd/jg74v4ltQ6XzvCQjnSS9FO6T7EEWP87N2/6Dc2ukkR54NdHrMEmaEuDA==
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

2026-09-17T11:27:37.545296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035881
observed e35b5a985233cf003ea5c97f953b90e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:37.525755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035881/manifest.json
observed 8ea9db244af06e76cc7972a42eb2dbbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:37.508798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035881/publication.md
observed 9670d2e57e45480912debe4b2bd6c1bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:37.487691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035881/publication.txt
observed a8749b647096994073304e62317a826c...
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.