OpenTechnical

OT-2026-000055915

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000055915) never changes.

Identity and time

Publication numberOT-2026-000055915 · never reused
Internal UUID01a0ae87-0a4a-74d7-8bd5-ba169ee89653 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055915
StatusPUBLIC

Content hashes

Canonical text87b1be5a6ec3f2c3915d8a1564129315cbd24118cb119e76eaf1a1e1db0f2373
Markdowna1e866a9fc81cccb14313aaf1315f9e77e2bfa6ee769968b9dc4735da32102be
PDF
Publication pagedef162596c7057dee987efd09eca802093cbe4987e3159299916c1bb399e5f2e
Manifesta4350eda6f6d9f09292559dcbf569cacc9dc2663920c37d2f22c8aeddf5a1f96

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
SignatureIdKE4Bll9Gb7ScCFIt/tDJBYKTIIaIeV2uM6jXk0RWYNY19LF56xM9j8U2/8PbTEiwp1frFPYbHceX6Cl2SmAA==
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

2026-09-17T10:51:25.279277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055915
observed def162596c7057dee987efd09eca8020...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:25.261328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055915/manifest.json
observed a4350eda6f6d9f09292559dcbf569cac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:25.243476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055915/publication.md
observed a1e866a9fc81cccb14313aaf1315f9e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:25.227547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055915/publication.txt
observed 87b1be5a6ec3f2c3915d8a1564129315...
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.