OpenTechnical

OT-2026-000072461

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000072461) never changes.

Identity and time

Publication numberOT-2026-000072461 · never reused
Internal UUID01a0ae92-89d8-73d3-873a-dceec439ff1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072461
StatusPUBLIC

Content hashes

Canonical textc45995b1d3c62aaea52e90d674d6aada22a3b470368fef85aac4447604f00c3f
Markdownaed992baa2cb19c0d0bb14d40074cb24965b47dbc3c3e463fcd325dc77531f0c
PDF
Publication page589262eecdf67ee35d6d1f3389a61b517932d0af6036285d5f5554e8000efa3f
Manifest8387f449eddc17da6b8fcf5a1ec5f410268b1285a1e8b9f9ae6cbc9b10ccca1d

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
SignatureKrtr6iscnr4O7Tgh3rp7VooQkv4v32qqeTDw7POapj6G6mWU5aKcLFzxR6MH0nbIgtXyjorjU4TycX16j5BiCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:16.668926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072461
observed 589262eecdf67ee35d6d1f3389a61b51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:16.651959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072461/manifest.json
observed 8387f449eddc17da6b8fcf5a1ec5f410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:16.632920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072461/publication.md
observed aed992baa2cb19c0d0bb14d40074cb24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:16.613586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072461/publication.txt
observed c45995b1d3c62aaea52e90d674d6aada...
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.