OpenTechnical

OT-2026-000100140

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000100140) never changes.

Identity and time

Publication numberOT-2026-000100140 · never reused
Internal UUID01a0aea3-3052-7459-8add-259ba64b7a3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100140
StatusPUBLIC

Content hashes

Canonical text676826bb9ffc112194889270d9dfedb6a4b222945d81a788bde84a018f32e1ae
Markdowndbe8b5c731e9a102957b0732e55a30d2c0d92f935640e3a723df57c414ceb92e
PDF
Publication page2417729f905f234d7ec046341296da4ac7de0bb1950a0026ed1d8375d557b2c6
Manifesta9bd343b9260ec479c8f3edf01e1048c3cfbc6c1a2de52f8d44408499ba6bdd6

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
SignaturekQLy4Kwvnk8yHAlXWYRFYrisEd2l5uBx+QKBIGLDT11fw7wXBno/sfTX2T5RqXPBWe0wsgRmEHdxm+I2o8EoAQ==
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

2026-09-17T09:27:50.576527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100140
observed 2417729f905f234d7ec046341296da4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:50.558666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100140/manifest.json
observed a9bd343b9260ec479c8f3edf01e1048c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:50.539148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100140/publication.md
observed dbe8b5c731e9a102957b0732e55a30d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:50.518599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100140/publication.txt
observed 676826bb9ffc112194889270d9dfedb6...
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.