OpenTechnical

OT-2026-000027632

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained blow-off before 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-2026-000027632) never changes.

Identity and time

Publication numberOT-2026-000027632 · never reused
Internal UUID01a0ae72-6999-768c-b81c-614e7880d842 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027632
StatusPUBLIC

Content hashes

Canonical texte0fc3659f54b6bb377c4003c6825bbc3cc47b0ed7e571c228e67c0459cf307d9
Markdown5a904a693cc20f6f78dfc9f324d938278c2dc59d4c4cf3a572b7c6e0e61bd2b9
PDF
Publication page18950b1834963d0150f4357bc1ced7d0d3e6fc582b03485780d6994349db8eda
Manifestd9f55a339be85ffe9f92e4382bab672f5403ec564bcbe36cd16d6c51d869db34

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
SignatureF1aocL73nu9zboO8eWGifD7ujM6gSsizyrXZiQtJxMooW+mzpwCzapIWk+BFOlV9OL35zMzgAEvoPMR0g2C6DQ==
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

2026-09-17T11:43:09.322403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027632
observed 18950b1834963d0150f4357bc1ced7d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:09.307159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027632/manifest.json
observed d9f55a339be85ffe9f92e4382bab672f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:09.291498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027632/publication.md
observed 5a904a693cc20f6f78dfc9f324d93827...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:09.275928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027632/publication.txt
observed e0fc3659f54b6bb377c4003c6825bbc3...
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.