OpenTechnical

OT-2026-000003861

Publication integrity record

Bellows cup vacuum gripper, two zone face, six outlet manifold, ejector fed

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-2026-000003861) never changes.

Identity and time

Publication numberOT-2026-000003861 · never reused
Internal UUID01a0a90b-48a6-7287-8672-b00b7b7abb9e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:04.139229Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003861
StatusPUBLIC

Content hashes

Canonical text4a93a4a9ef65224cd1f7bf750192946c2ca550bd211d644b0b2fbe406198aa1b
Markdowna08f9ad899554d0b4159e203333a1d1f057d0d82db91097d752a78c202aad29d
PDF
Publication page3a7fefbfde445df3a186902996ad2acd7e5b344f72b7985bf73d422ef743ff7a
Manifest1449ccf11e43043f0743add7f7163916aad4ece8d37011bbd750db37d1f846b7

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
SignatureQg1UzqRC2Cqeg3/uySA2abAa+H/0FTOsWYmwpZxIHoM7aARKuuNdfr+CKyqRjYMp+96bULWCo6Nb20xjRF5EAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:15.961455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003861
observed 3a7fefbfde445df3a186902996ad2acd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:15.946447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003861/manifest.json
observed 1449ccf11e43043f0743add7f7163916...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:15.932149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003861/publication.md
observed a08f9ad899554d0b4159e203333a1d1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:15.914891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003861/publication.txt
observed 4a93a4a9ef65224cd1f7bf750192946c...
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.