OpenTechnical

OT-2026-000033797

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000033797) never changes.

Identity and time

Publication numberOT-2026-000033797 · never reused
Internal UUID01a0ae75-a391-7ffd-b70a-d9a1fb788ccc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033797
StatusPUBLIC

Content hashes

Canonical text089d760dae78ce4ddef767920e14e803684982b5056d2e8f135659aa3c32e4e1
Markdown511f5bac7bc7a44b935d269bce86f4b5b3be78187b41ade90dd02f0757967002
PDF
Publication page07f1a7e75e4e11e611f4858203733080a911fd8cef6ff2ae347d2c449c6aa551
Manifest67a3fc18716ed480db1f4a199d1c8268a32d17d22b91ad1d0e306c334cb7c8f2

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
SignatureqfVozl1bB8vYoeyGxkeNNCOyJ/GWxysXa9QkY/VEMhFiCb16lOqU4xt4WqLYEhvA+LpQM7Mv11tLhZxT+fgNBA==
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

2026-09-17T11:31:50.381500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033797
observed 07f1a7e75e4e11e611f4858203733080...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:50.363038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033797/manifest.json
observed 67a3fc18716ed480db1f4a199d1c8268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:50.344853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033797/publication.md
observed 511f5bac7bc7a44b935d269bce86f4b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:50.323572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033797/publication.txt
observed 089d760dae78ce4ddef767920e14e803...
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.