OpenTechnical

OT-2026-000100382

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000100382) never changes.

Identity and time

Publication numberOT-2026-000100382 · never reused
Internal UUID01a0aea3-66ee-7557-8eb4-db0edeca9f73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100382
StatusPUBLIC

Content hashes

Canonical textf7b48b4cea250990c9085750250dd5bf010a1545741e93acde3295de7db53c9a
Markdowne3d8b09b378e1e615ecf27cd9039f63e86432e074d774a1a6bdd21bb5643ec02
PDF
Publication page52639d1b65628538a5f9e1a1d1e6090686f26193a09e486244e1d7431a2771ed
Manifestcc3ecff97368a9ec829326be18041a2a574d01b37b91197d8527e063caea875c

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
SignatureoYWh7dIQR/mtIdvi60xyGBybmviqyzP2pIRESmZbftQQJtSgH9uN7SCH2aShRcLR1m5I1SldhH65B4ZlqwrZBw==
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

2026-09-17T09:27:06.790273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100382
observed 52639d1b65628538a5f9e1a1d1e60906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:06.772392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100382/manifest.json
observed cc3ecff97368a9ec829326be18041a2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:06.754776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100382/publication.md
observed e3d8b09b378e1e615ecf27cd9039f63e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:06.737961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100382/publication.txt
observed f7b48b4cea250990c9085750250dd5bf...
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.