OpenTechnical

OT-2026-000055095

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two 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-2026-000055095) never changes.

Identity and time

Publication numberOT-2026-000055095 · never reused
Internal UUID01a0ae86-5e81-722d-beba-51282917ceaf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055095
StatusPUBLIC

Content hashes

Canonical textca806ff0ff20aa784cfdccf9251962467c51a46f9a46ab2f368da67dad35f2a7
Markdown9b3e1e17dae2ebf62a105c0e428590956cb4785c9e6e2930c1cab147be2f9b21
PDF
Publication pagebbac4e9fb4e9eb49da1f29bfe7d307231131250d688c9845e21cfe1828bdc747
Manifestc2c078dcdf2ff088445e4b6c394d450f700193c9868c1f9b76711e5441dba9b8

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
SignatureA244UfGFqJdL5V7Or1gcg7Mfm7CRXjaly0A0ARtSwkmfZOktZNz7m0p6lldZle/qze54MtGdwI+slTV45MiSAA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:15.345918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055095
observed bbac4e9fb4e9eb49da1f29bfe7d30723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:15.326627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055095/manifest.json
observed c2c078dcdf2ff088445e4b6c394d450f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:15.310268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055095/publication.md
observed 9b3e1e17dae2ebf62a105c0e42859095...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:15.293406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055095/publication.txt
observed ca806ff0ff20aa784cfdccf925196246...
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.