OpenTechnical

OT-2026-000009189

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, pulsed 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-2026-000009189) never changes.

Identity and time

Publication numberOT-2026-000009189 · never reused
Internal UUID01a0ae6b-31b9-7321-ab8e-2057d0e07fa4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009189
StatusPUBLIC

Content hashes

Canonical textf51541a6964c387577979043ea9cff076f3f1fc752d2130780443c613e19bfc5
Markdowna484ba205268ef60a2083ac722e64a30401c10f1d15bf8f1ecda6325c6e3dbdd
PDF
Publication page6587b9b1425780958683f33a6b55471c64d8531b5657fca452041d79a90aab47
Manifest18d35f23667335d4b87055cf3e7260761fa74cdf4f334175cc655988c86513d1

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
Signature2sibNbhSzTSzlIO1nES3N7y2WdA6+RQKuqgaovBDTTGfnMdoHYOTkhNbTQT0TXqv7UblYhvBzI1N8sKCmBgOCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:54.234344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009189
observed 6587b9b1425780958683f33a6b55471c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:54.213948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009189/manifest.json
observed 18d35f23667335d4b87055cf3e726076...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:54.190952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009189/publication.md
observed a484ba205268ef60a2083ac722e64a30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:54.170332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009189/publication.txt
observed f51541a6964c387577979043ea9cff07...
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.