OpenTechnical

OT-2026-000043485

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained 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-2026-000043485) never changes.

Identity and time

Publication numberOT-2026-000043485 · never reused
Internal UUID01a0ae7b-92ce-7bd6-9548-1895ec37681f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043485
StatusPUBLIC

Content hashes

Canonical text325ae6e8e7b9160030129170f54560f5c6ea8748c231856783e4eab24ed149b7
Markdown3dc55f27bfad3708d6b5aab488a509f81311d876539aab44e2d2b62f040c0336
PDF
Publication page5b17313b977dbdab750cc7cb572f341682389c4cf957172390017de8e68b0ef9
Manifestde4a6109ab9c15fe1a4047e40036a1c03567574bfaf298662cb8c9950ea497e8

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
Signature8WlxXUUpo5RZcQA2pSO7yTRU881c4ua2TLxxZkrlKomqSknEsBtcXnO8zI78XU0O15i5HiBF3kdhhnhTE1GyDA==
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

2026-09-17T11:12:50.767495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043485
observed 5b17313b977dbdab750cc7cb572f3416...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:50.749030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043485/manifest.json
observed de4a6109ab9c15fe1a4047e40036a1c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:50.730290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043485/publication.md
observed 3dc55f27bfad3708d6b5aab488a509f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:50.710167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043485/publication.txt
observed 325ae6e8e7b9160030129170f54560f5...
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.