OpenTechnical

OT-2026-000045424

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, pulsed blow-off after set-down, on a tool changer

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-2026-000045424) never changes.

Identity and time

Publication numberOT-2026-000045424 · never reused
Internal UUID01a0ae7c-f76c-716b-9df5-ddfac5927b79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045424
StatusPUBLIC

Content hashes

Canonical texta32cca88d3b2d42df2adfaf1bc881386b656acd440da6e83e79cd2efbb418758
Markdown5583bf5cc70bff25100cd93c5ee2f40b09e6da7d3d011de235ca2282ef6bc9f1
PDF
Publication page4703849b754d78351f6c30d41e1dbe2cb08e16fffdd4352cfd36243d9246d51c
Manifestba0a498f7bb9ac86f462f9af1b11f6c74ca78e1c9e0204e19e77a4596d151a5a

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
SignaturecyNV6pJ8tZBI4+PHFchPE+eocFHxLKxyGjJqCXKaCqlMoLeUc4wVSAvglV3mMr2ClEP2KbfrKAwkinF8S8bYDg==
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

2026-09-17T11:10:43.100681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045424
observed 4703849b754d78351f6c30d41e1dbe2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:43.082207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045424/manifest.json
observed ba0a498f7bb9ac86f462f9af1b11f6c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:43.063332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045424/publication.md
observed 5583bf5cc70bff25100cd93c5ee2f40b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:43.043148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045424/publication.txt
observed a32cca88d3b2d42df2adfaf1bc881386...
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.