OpenTechnical

OT-2026-000033941

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000033941) never changes.

Identity and time

Publication numberOT-2026-000033941 · never reused
Internal UUID01a0ae75-df0b-7e3d-ad70-a270fa44f717 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033941
StatusPUBLIC

Content hashes

Canonical text7be05b3e62bd6990c5fb25142b327c6460dcd93a3e75c471ec53ff7dfc4e4c88
Markdown7dc2d748751a651d4ad83f4ba136316e55898710b8330e44dc875a15642987cb
PDF
Publication page6583a5ff0dd5ec4bc057e03d55eb403b22beea7de33f9701c50c14a5a48b2654
Manifest903b4826915be63951bda677db376e6a2b69096029ec7d016f8364bc00690336

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
SignaturesxdHN6hwYNCGbC3lwE4ZL3fGFJYT1nyoteVgoytz+OIOF39V0vrKbLJen9/p10lh2qK5fZ4gks8eOEP+gaJuAQ==
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

2026-09-17T11:30:02.809369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033941
observed 6583a5ff0dd5ec4bc057e03d55eb403b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:02.791749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033941/manifest.json
observed 903b4826915be63951bda677db376e6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:02.773817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033941/publication.md
observed 7dc2d748751a651d4ad83f4ba136316e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:02.755074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033941/publication.txt
observed 7be05b3e62bd6990c5fb25142b327c64...
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.