OpenTechnical

OT-2026-000005366

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, six outlet manifold, pump fed, pressure verified

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-2026-000005366) never changes.

Identity and time

Publication numberOT-2026-000005366 · never reused
Internal UUID01a0a936-c76b-7156-a3ca-b9dbb8ae49d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:55:34.638399Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005366
StatusPUBLIC

Content hashes

Canonical textc4931f1b01dd95d3f237051bfbd68e577763b7f2bc0ab67757efb334cc3f8d10
Markdownd2eac4a2392afc2ee96076ed3c5d0620fdbd5834be2d6f38cd1948aa69d8191e
PDF
Publication page30055e9dc01c5fb34538706b5509fa4b3ada2b5984b44d85b1273e8477f0fb0c
Manifest6d1623ccb2a747c6a07e4af8ebd4c433b5d3e5342e3c06d7d3e9532577d0c752

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
SignatureFT2DqRqx2TWpP88MeSoeAl4vXSCHV8dShLAKwHB7fQBZ5YfXH3Yf/r0SxkkNfglB5ELp2LWpyMDrUUUVi7gWDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:17.889492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005366
observed 30055e9dc01c5fb34538706b5509fa4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:17.874944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005366/manifest.json
observed 6d1623ccb2a747c6a07e4af8ebd4c433...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:17.728507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005366/publication.md
observed d2eac4a2392afc2ee96076ed3c5d0620...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:17.714146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005366/publication.txt
observed c4931f1b01dd95d3f237051bfbd68e57...
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.