OpenTechnical

OT-2026-000097044

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000097044) never changes.

Identity and time

Publication numberOT-2026-000097044 · never reused
Internal UUID01a0aea1-01c9-7c55-83a5-bd5569519e9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097044
StatusPUBLIC

Content hashes

Canonical textd1351d3875eeb93b57a7bc4abfcf97d4b0897055257b684e133e351315413b96
Markdown5061ccecd2cd61ccba32a589f2dcc9b8bafe3ec10b1d99decd689b1bf7654a3e
PDF
Publication page5a6a5ba7021d00e7f16d8b248355334c111aa676ab5489212a439b3b4520f549
Manifest01c50d9ef53318c0163f1529b2d164e361d20762fa62bcfd38e810801c203322

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
SignatureTmMuun++1p48lMpYq3BKbDwRZJkZkwnZ/6mZtB8dgFy4yo6UtWMd9zpai3fH9NIyrRQU1WpEwYrIlEvxG2ROCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:10:34.841486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097044
observed 5a6a5ba7021d00e7f16d8b248355334c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:34.695557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097044/manifest.json
observed 01c50d9ef53318c0163f1529b2d164e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:34.674567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097044/publication.md
observed 5061ccecd2cd61ccba32a589f2dcc9b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:34.655930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097044/publication.txt
observed d1351d3875eeb93b57a7bc4abfcf97d4...
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.