OpenTechnical

OT-2026-000037872

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000037872) never changes.

Identity and time

Publication numberOT-2026-000037872 · never reused
Internal UUID01a0ae77-f889-715c-9109-225b2fe18c19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037872
StatusPUBLIC

Content hashes

Canonical text7f3362d4790a0ef79f463b8e51fca0fee82b316211b7a9b7d6d69b7510cd3d7f
Markdown8dbdca53bb754c3f4fbbe85d36636800abd38b75141b352728c2b7308b4f31c1
PDF
Publication page5b6aa26423a47715b1ca7aaba851a906dbadcf26a38aef1a6e1bc6474f3eca36
Manifest243ce8d09c6b581f746224730ec2e6bb03e3f329ba18df68a1cae0da8f5d44d5

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
SignatureB4e29Gd7WdWr+2xnQvqeTHJJgnfQBprbbS4/p6pWM55O7vbSqcy9qPYBSas6vgFjB+bxp4AKRr7z1ipliUp/AQ==
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

2026-09-17T11:23:08.014792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037872
observed 5b6aa26423a47715b1ca7aaba851a906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:07.998366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037872/manifest.json
observed 243ce8d09c6b581f746224730ec2e6bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:07.981686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037872/publication.md
observed 8dbdca53bb754c3f4fbbe85d36636800...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:07.963774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037872/publication.txt
observed 7f3362d4790a0ef79f463b8e51fca0fe...
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.