OpenTechnical

OT-2026-000058531

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000058531) never changes.

Identity and time

Publication numberOT-2026-000058531 · never reused
Internal UUID01a0ae88-f39b-75c1-92c7-4b48ebc494dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058531
StatusPUBLIC

Content hashes

Canonical text75d1bf33a10c4c94af90ca6256e04b8e4a95214873df7a71003cd3db677a0356
Markdown533bcfca6d367b53ab8c1bba9e23eafa3f5d756840c5408c3bfde5eafa5969fd
PDF
Publication page2a2583920e5f6bb80b4035c9380fc1080bf30710e9387e05d112c9c4aa36d366
Manifest3dd4e96f327848ac819438ed5297cfb9182478bcde4d2d55f4d20966d9d3f4ef

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
SignaturejKfufgxmClhtwb/sdryn3SXQ06wTHSTj4hCf46LHkP8bSVlQrwCH2gOJBY5fDiOLivBCDvhYttcpDd6MMoG5CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:59.594282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058531
observed 2a2583920e5f6bb80b4035c9380fc108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:59.578869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058531/manifest.json
observed 3dd4e96f327848ac819438ed5297cfb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:59.562539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058531/publication.md
observed 533bcfca6d367b53ab8c1bba9e23eafa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:59.546734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058531/publication.txt
observed 75d1bf33a10c4c94af90ca6256e04b8e...
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.