OpenTechnical

OT-2026-000100758

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three 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-2026-000100758) never changes.

Identity and time

Publication numberOT-2026-000100758 · never reused
Internal UUID01a0aea3-66f4-7660-8b17-ea9ddadb0d6d · 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-2026-000100758
StatusPUBLIC

Content hashes

Canonical textee95c10251b9667c367d0464cdad089aba2c24a8bee04a95a06acfa966ac598b
Markdownd515b45c81ff8897145e7755d0377ac070b5a32b6f525da530502cdcb194624a
PDF
Publication page9dbb2eb97a9393baf73ce409d165b202557cb65cf984f9f74dbfebea3eff2c3e
Manifest34007599a7a2bebd8a8a6bfb75824874bd528694705ecee0b58fac0683329e97

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
Signature+t1ahTPFrLQ4TOJw3Xm8HdUFcDQXYPZV8wM3RxncZa2OTXLO0vzPOHNQ/ayUDGr/K9chweIOWmpvP2qiDjNJCw==
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

2026-09-17T09:27:35.706383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100758
observed 9dbb2eb97a9393baf73ce409d165b202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:35.688931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100758/manifest.json
observed 34007599a7a2bebd8a8a6bfb75824874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:35.672235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100758/publication.md
observed d515b45c81ff8897145e7755d0377ac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:35.654215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100758/publication.txt
observed ee95c10251b9667c367d0464cdad089a...
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.