OpenTechnical

OT-2026-000037991

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two stage ejector, 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-2026-000037991) never changes.

Identity and time

Publication numberOT-2026-000037991 · never reused
Internal UUID01a0ae77-f88a-7cb6-9e91-66e0fdaa9c70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037991
StatusPUBLIC

Content hashes

Canonical textc145015610e3db7ef9d6e9eb2c6c79a3484742376eedb101caba0a45b977ab6b
Markdown44846ee3de238f0004c2b232670ced7da8fa7e385d8d953e662d591731b10405
PDF
Publication page13b503cf60e5762f45daff673f23860ef2aa3310c856afceadbdcccf5807010b
Manifest1ac6a4fad28776cdb3edec01a9390d2ba190cf19c503b7d077f2cd6644a90737

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
SignatureV5umySwbzSZwesNOO+tP5EEHKUSlMzRO4nU9CyrKbtix21Ol/HUbXIi7qzZEEMeaa27Eu2wt6ZVIYkuzjw6cDA==
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

2026-09-17T11:23:17.279547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037991
observed 13b503cf60e5762f45daff673f23860e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:17.263594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037991/manifest.json
observed 1ac6a4fad28776cdb3edec01a9390d2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:17.245286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037991/publication.md
observed 44846ee3de238f0004c2b232670ced7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:17.226891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037991/publication.txt
observed c145015610e3db7ef9d6e9eb2c6c79a3...
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.