OpenTechnical

OT-2026-000010723

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, sustained 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-2026-000010723) never changes.

Identity and time

Publication numberOT-2026-000010723 · never reused
Internal UUID01a0ae6c-0ee8-75f3-8842-8085777c9052 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010723
StatusPUBLIC

Content hashes

Canonical text27e176fa2bdd8c53d790e6ed6451c05dd4b6431a6a1c78a3e73f1c555ec39741
Markdown9883d27ef4c9ed3a698459960723d06d2850e95be2a479fd6a777965ed35e1ab
PDF
Publication page694abcaefe93e3ad2df8fe006f93673e5f29946feb81bd87a420cf51238e9b8d
Manifest4c5b231c9e04ed2567c2ccb4697ce5c6fd78d2874bdbf201345642f4538a764b

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
Signature843NHFPiaGZbSCsYv4lZcJm8gxMRA1gYuqqOTJIjRUZPLcsMsdFLj57nFmZzQoM0qn07dhshKaiqY3pcbl+ZCA==
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

2026-09-17T12:14:56.823865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010723
observed 694abcaefe93e3ad2df8fe006f93673e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:56.804464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010723/manifest.json
observed 4c5b231c9e04ed2567c2ccb4697ce5c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:56.786255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010723/publication.md
observed 9883d27ef4c9ed3a698459960723d06d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:56.766054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010723/publication.txt
observed 27e176fa2bdd8c53d790e6ed6451c05d...
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.