OpenTechnical

OT-2026-000077603

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000077603) never changes.

Identity and time

Publication numberOT-2026-000077603 · never reused
Internal UUID01a0ae95-2ece-7401-ab80-94fa6e086005 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077603
StatusPUBLIC

Content hashes

Canonical textec2682cabd4dfc8fa2b100c3d1d79593111a3c3517c082c62d55c9feef8cf43b
Markdownf3d7d3a338a64e3a984dcf7ae487ff35283b865acbe9d651bfec7b0f503b239a
PDF
Publication page054c98eb4ad9339bc23e5b4044697cd694b5eddfc52d4c1b6314ffc18b0e5c1e
Manifest49eacfd2e6f6d6b2d95fa5e4fd06e7a3d76da7e9392d1b2f898d6264a2eeec42

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
Signature0gedztg8EQejx+xBYWpqA9bwkk6jlMVfN6tcvaJQu1OQDqc74T4sCOIr4jVcAGmuln8x6xHAvVRYd/0Q6ghaBA==
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

2026-09-17T10:07:09.742310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077603
observed 054c98eb4ad9339bc23e5b4044697cd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:09.724160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077603/manifest.json
observed 49eacfd2e6f6d6b2d95fa5e4fd06e7a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:09.703592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077603/publication.md
observed f3d7d3a338a64e3a984dcf7ae487ff35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:09.683120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077603/publication.txt
observed ec2682cabd4dfc8fa2b100c3d1d79593...
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.