OpenTechnical

OT-2026-000032749

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000032749) never changes.

Identity and time

Publication numberOT-2026-000032749 · never reused
Internal UUID01a0ae75-1071-7546-959f-0a38fddebd15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032749
StatusPUBLIC

Content hashes

Canonical text081f11be004d16f1be82713183553da23b8764229cf2417b670225e332175eac
Markdown86ced6ed464f144ecac237377aef11038ce7a8899dce50cdb0530b958a55d03c
PDF
Publication pagea6d21263b317623c90e83e2c5a63cb612878d3d6a0ed71cfca106bbc2e7e1711
Manifest562e79a06d7452a6a3998ffe2a175b217d787b587e33106cf5df96c1e960209c

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
Signaturel8HjruqXFFTCmVZkTIC1t+5hnLrOVeBIj0AudM7aApFrCnfYdxmQ+4y0S2m1A6mJ+kPcLHXtsGH/iK5EarCIDw==
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

2026-09-17T11:34:22.442121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032749
observed a6d21263b317623c90e83e2c5a63cb61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:22.421257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032749/manifest.json
observed 562e79a06d7452a6a3998ffe2a175b21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:22.399116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032749/publication.md
observed 86ced6ed464f144ecac237377aef1103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:22.381827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032749/publication.txt
observed 081f11be004d16f1be82713183553da2...
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.