OpenTechnical

OT-2026-000074314

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000074314) never changes.

Identity and time

Publication numberOT-2026-000074314 · never reused
Internal UUID01a0ae93-7179-7525-be77-8c2cfe1a3dcc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074314
StatusPUBLIC

Content hashes

Canonical text07bd98447b4790563d89eacd9d6f64571de2044adeaa22e70387acf4e7744c6a
Markdown0156a79c848c2d42b41210054d4aa2bb4c71e74857951d62748dd6854b3a7abd
PDF
Publication page36535531d646199bf96cb9bc2314f7958c0fe8897a854f457d49c5370329973b
Manifestff1919c61f26c13a6b6db7b43927ef99aa61386bb63a680238c8ff1c7ff69a67

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
SignatureNNYaYIJHa5lX+5N8YOlaeNSo539TtiVgEE/j/JjKNWt+Q/myScaSOYreYDJPUW8bGhDE0/kEszB18ynTQpYyBQ==
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

2026-09-17T12:41:06.448613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074314
observed 36535531d646199bf96cb9bc2314f795...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:06.047279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074314/manifest.json
observed ff1919c61f26c13a6b6db7b43927ef99...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:05.845663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074314/publication.md
observed 0156a79c848c2d42b41210054d4aa2bb...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:05.595442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074314/publication.txt
observed 07bd98447b4790563d89eacd9d6f6457...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:19:10.277623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074314
observed 36535531d646199bf96cb9bc2314f795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:10.260530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074314/manifest.json
observed ff1919c61f26c13a6b6db7b43927ef99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:10.243917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074314/publication.md
observed 0156a79c848c2d42b41210054d4aa2bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:10.225245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074314/publication.txt
observed 07bd98447b4790563d89eacd9d6f6457...
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.