OpenTechnical

OT-2026-000022292

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold 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-2026-000022292) never changes.

Identity and time

Publication numberOT-2026-000022292 · never reused
Internal UUID01a0ae6f-f4fc-78af-8de5-d7da241eda2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022292
StatusPUBLIC

Content hashes

Canonical text38f1b87f24516680c7aa42b87485bb554415c28c2635a94bd33cd42810a66a23
Markdownef83028e6621a567aee122ce843bd92fabc08fb469e4ddaa227340ae8c8c8606
PDF
Publication page17a66eea6241910cd9befbc7b7c0b3d098c381919bb881d471ea98573bd5229f
Manifestc74f6e73a2fe43adc45230b61ecc816dacadf8dc9c898f149233977af4b11fe8

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
Signaturen86sHmoWmq1boPR2Paw2YTc7T2QLUBV5Dn074l+XKksWLU8bYMHreTZMmDKnekrduCtwXilqOcIUUgN0WufgBA==
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

2026-09-17T11:53:05.742642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022292
observed 17a66eea6241910cd9befbc7b7c0b3d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:05.725749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022292/manifest.json
observed c74f6e73a2fe43adc45230b61ecc816d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:05.710741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022292/publication.md
observed ef83028e6621a567aee122ce843bd92f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:05.693537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022292/publication.txt
observed 38f1b87f24516680c7aa42b87485bb55...
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.