OpenTechnical

OT-2026-000022970

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000022970) never changes.

Identity and time

Publication numberOT-2026-000022970 · never reused
Internal UUID01a0ae70-46ec-74b2-b7df-11c8e2c988d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022970
StatusPUBLIC

Content hashes

Canonical text0ee347846a8dc1eeb6b12a994d9b792a0e5bbe42dddb2f115ae00f19872a896e
Markdownc3aa154c6307f14ce399e1c2d321760680ec448f3c98a8e9e27d0d9da0834a56
PDF
Publication page1598705f4d51cd08b4c8fbfc5dde2e9ed07cddfe3800ea52fe10dbf445da954f
Manifest78a939e5f71948af9d1edd0f3cbfafd0de6bd9b0e4f12a4f8904469f57656068

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
Signaturej5fSychblGtKf+Rz/yeORSRNHLhn1bE8YrgnpTKrUbT8vMOsQAdXHoJEtO7yCSSpYRWMjO/wQKLtUiLGaxyFBw==
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

2026-09-17T11:52:33.491493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022970
observed 1598705f4d51cd08b4c8fbfc5dde2e9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:33.472472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022970/manifest.json
observed 78a939e5f71948af9d1edd0f3cbfafd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:33.454239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022970/publication.md
observed c3aa154c6307f14ce399e1c2d3217606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:33.435074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022970/publication.txt
observed 0ee347846a8dc1eeb6b12a994d9b792a...
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.