OpenTechnical

OT-2026-000066728

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000066728) never changes.

Identity and time

Publication numberOT-2026-000066728 · never reused
Internal UUID01a0ae8e-ce42-73f9-8a1a-730dd4d3a324 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066728
StatusPUBLIC

Content hashes

Canonical text22f89dd34bed5a5fad62d3c007eff7de6c2d2621212b695618dc256d2ce1b5cf
Markdown0e37c067de61d4e1c69752d4ca81d834f76b4335705367acee7aceaf5b9447af
PDF
Publication pagee05c3a1c8188a0cc2a34ca7c05ff55885609c34b3fe785d34f9f82f170a507a1
Manifestfb2e14de33389ea48cd20f54e46c22e456ad0545d239879754074ffcfa597214

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
SignaturewdHs0M11ohg80Cl1ink4tKkQH4GxPvKjFdUPxCaervjw1Kd+esByW2H6qSy7MDlgMZuTwFK5Oq42eV+9lLCDCA==
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

2026-09-17T10:33:08.053546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066728
observed e05c3a1c8188a0cc2a34ca7c05ff5588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:08.034345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066728/manifest.json
observed fb2e14de33389ea48cd20f54e46c22e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:08.016380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066728/publication.md
observed 0e37c067de61d4e1c69752d4ca81d834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:07.997506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066728/publication.txt
observed 22f89dd34bed5a5fad62d3c007eff7de...
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.