OpenTechnical

OT-2026-000070401

Publication integrity record

Foam pad vacuum gripper, four zone face, single 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-2026-000070401) never changes.

Identity and time

Publication numberOT-2026-000070401 · never reused
Internal UUID01a0ae91-545f-786a-a090-015beaa9ea7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070401
StatusPUBLIC

Content hashes

Canonical textea5476fe09bce1078729c65e2db6cca66b026b2c12d7292dcd085da592e57c50
Markdown82280821b36e5887d6c4e4e44445bb6db9e6a9c8ea32ea077b4f7b24d1923cdc
PDF
Publication page785e21338cc4cd4cf6a0242cce15ee1a1742449d66eb1b47c9909bd238cd6c6f
Manifestbe25647a99de9f0245ffce94d23a87f546a2fb2895cd492bdf38fd86e50dfb90

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
SignatureNYY+5hz7IRcjmPvGwOoWQ71sMc1zUURIAB0nnCHB6rJtThfZaGGhPbWoKI775hO0bkzFroSbnZ0SoGXzjpCxCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:12.492962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070401
observed 785e21338cc4cd4cf6a0242cce15ee1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:12.474052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070401/manifest.json
observed be25647a99de9f0245ffce94d23a87f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:12.451673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070401/publication.md
observed 82280821b36e5887d6c4e4e44445bb6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:12.425896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070401/publication.txt
observed ea5476fe09bce1078729c65e2db6cca6...
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.