OpenTechnical

OT-2026-000033277

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000033277) never changes.

Identity and time

Publication numberOT-2026-000033277 · never reused
Internal UUID01a0ae75-897f-7c1d-b196-ddbf3ab37f7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033277
StatusPUBLIC

Content hashes

Canonical textfd75c2549c5bbe88fd78108da0eabba2df5f309e45d7f77304e997b2f67dc65d
Markdown0ac3bdc8b1bbb263a63be306a87489e8691d5d25af3a3318b260626902e47270
PDF
Publication page6ad793dec5e4fea1c6c906aa542915789b889fe07ba1c9cd78bce7560650e081
Manifest85dacd263760dea4c3a883d9d8dbc2045cba6ad3107362b631069f41ffd1986c

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
SignatureTmkOnjP148zkQ273xzftjatUIEUMnLRjwsd1qZrM/qjuI1H0BG/I6TBqV9hHNDXE1kA+l3n75L+Cejl0Khn3Ag==
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

2026-09-17T11:32:00.983143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033277
observed 6ad793dec5e4fea1c6c906aa54291578...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:00.955899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033277/manifest.json
observed 85dacd263760dea4c3a883d9d8dbc204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:00.935952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033277/publication.md
observed 0ac3bdc8b1bbb263a63be306a87489e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:00.894294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033277/publication.txt
observed fd75c2549c5bbe88fd78108da0eabba2...
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.