OpenTechnical

OT-2026-000100073

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000100073) never changes.

Identity and time

Publication numberOT-2026-000100073 · never reused
Internal UUID01a0aea3-1474-7c48-9579-6acd6f6ab989 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100073
StatusPUBLIC

Content hashes

Canonical text5786fdbd60eff0a390c4bf4056938fc709986dae0ff9079af75aca11ce6391d1
Markdown3139f74a5f0bf19465cc7863c59892132a207bd770db8582d5c506b5b9abb4dd
PDF
Publication pagea1f37cefff4fd3e45aa947dce9f2a80d215c3f8ee6d6de793b2f70dcd998f23b
Manifest3ff32884ec14e3418a61f7818c667dd9c982ed739fd74fc7be58d08a9f8a844b

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
SignatureET2utiZM6mdKNV6VgXQHdzTBorg9OwdETusJcb0rvBJUfRe9E7Bl2CyjMK4Ae9gjYayoF27OJzxRyKwBXsGmAg==
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

2026-09-17T09:29:01.318482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100073
observed a1f37cefff4fd3e45aa947dce9f2a80d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:01.299112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100073/manifest.json
observed 3ff32884ec14e3418a61f7818c667dd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:01.280390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100073/publication.md
observed 3139f74a5f0bf19465cc7863c5989213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:01.262090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100073/publication.txt
observed 5786fdbd60eff0a390c4bf4056938fc7...
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.