OpenTechnical

OT-2026-000103811

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pulsed blow-off after 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-2026-000103811) never changes.

Identity and time

Publication numberOT-2026-000103811 · never reused
Internal UUID01a0aea4-e463-7b10-a077-01c1b10a7aa3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103811
StatusPUBLIC

Content hashes

Canonical text310b119716e91f5ba2f752601be7c52eb10698242f680f0410cd55818e11479d
Markdownb613d99e5f016f8ed0578b7662ad313d55a52d35f3feaf26807809f0d4e8a0b4
PDF
Publication page8c8d05efe7950049c251944d2c41e94ae2ebfdf03fc1203d823265685110599d
Manifest36504fc86912503f3fe75803451a847e6556088b87ce97e9ae9a435e0947fcdf

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
SignaturefU7UhSWTh7x/T98x9RYQamVCMV4edjhEMj/jq0YrDUxKP0jsmtrduM7tQMJGlHBcGVmstH3xwTYrYZ1Ry88fDw==
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

2026-09-17T09:22:46.042381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103811
observed 8c8d05efe7950049c251944d2c41e94a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.025133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103811/manifest.json
observed 36504fc86912503f3fe75803451a847e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.008549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103811/publication.md
observed b613d99e5f016f8ed0578b7662ad313d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:45.992178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103811/publication.txt
observed 310b119716e91f5ba2f752601be7c52e...
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.