OpenTechnical

OT-2026-000039649

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000039649) never changes.

Identity and time

Publication numberOT-2026-000039649 · never reused
Internal UUID01a0ae78-d8d4-7a4b-a6d6-e2798a6e98b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039649
StatusPUBLIC

Content hashes

Canonical textcbf832792dc6327088e1f4acfba5050aa6c91ba7797b400167306b060015d936
Markdowncbbf2ed541b63aa0223de179712c8f5d09f212236fe7a60caa81767ffffe8299
PDF
Publication pageddc77d47ffdb994865b1cf5ab0587bccabcc94cbcadf39e60b9fc1e8b75f1a55
Manifestae382bbc18096717430b6d2c45ab8e2d83267336cba2c09bd7e4f7cc1d1dd877

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
SignatureMlbvoq6LogSNh8Zo79QRYGrcbQ0DNBBtAOgxgJjWFPmK9epKVY3rBPVYkkOkCHnm+NmcPSAiOs8XoYyuhKhZCA==
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

2026-09-17T11:19:49.520637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039649
observed ddc77d47ffdb994865b1cf5ab0587bcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:49.501462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039649/manifest.json
observed ae382bbc18096717430b6d2c45ab8e2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:49.481296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039649/publication.md
observed cbbf2ed541b63aa0223de179712c8f5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:49.462319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039649/publication.txt
observed cbf832792dc6327088e1f4acfba5050a...
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.