OpenTechnical

OT-2026-000045879

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, 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-2026-000045879) never changes.

Identity and time

Publication numberOT-2026-000045879 · never reused
Internal UUID01a0ae7d-8f06-713e-bae1-acb5baefb7b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045879
StatusPUBLIC

Content hashes

Canonical text10a42c759b370b89270df1c16f8aae0f3ff87dea9c39bc736fa34b27f061390b
Markdown3c5791c516f90f19fc6a96b50ea1b9be2f2099ec0fd68960c6336503f46ca580
PDF
Publication page793a194b8dbea007d37611e15e9ce9505428f3ef9deb9256275907cce3de821a
Manifest479d7b5cc1e0c920a72aecc271e2b9bc8148470c0a8ab81e8fdcdd6db565ebf1

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
SignatureXYrqoH0+vuGPKIlqbxs1k7KlTXVZVhoJQYY4BbSHfiLDrVQatrRQYbcboHr7GNSe1roe72EIX7kuytMDDBkTDA==
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

2026-09-17T11:09:46.153671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045879
observed 793a194b8dbea007d37611e15e9ce950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:46.134549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045879/manifest.json
observed 479d7b5cc1e0c920a72aecc271e2b9bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:46.114473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045879/publication.md
observed 3c5791c516f90f19fc6a96b50ea1b9be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:46.097422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045879/publication.txt
observed 10a42c759b370b89270df1c16f8aae0f...
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.