OpenTechnical

OT-2026-000003601

Publication integrity record

Vacuum cup gripper, three zone face, four outlet manifold, pump fed

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-2026-000003601) never changes.

Identity and time

Publication numberOT-2026-000003601 · never reused
Internal UUID01a0a90a-8009-79e7-8c69-3973b4d30527 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:12.779852Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003601
StatusPUBLIC

Content hashes

Canonical text6482d6729c683af23ddf1ac9cdc77652a2ea110b26aaee75d543d1ac708c69cc
Markdownd46d557bd461918192baa1996343dbc046f63e4b91def8c07ce6cf29b6cda2a5
PDF
Publication pageac014bd03a128ef129ade72faf3a6ec66492f218185181a951084b53d8f9ec39
Manifestb9ce7fb3a9b15f446ae245ee024aaf6e9783576280443ea346bbd8a0b2cbfe04

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
SignatureH8HdPsU7IsoiLrCp0skK226+z2rn65tmjepH4DMoPB0s2W601AFTGigqRXv7tYeHak5jQiKCZOAFpkHZ07DhCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:40:35.173863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003601
observed ac014bd03a128ef129ade72faf3a6ec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:35.140172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003601/manifest.json
observed b9ce7fb3a9b15f446ae245ee024aaf6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:35.124133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003601/publication.md
observed d46d557bd461918192baa1996343dbc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:34.985496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003601/publication.txt
observed 6482d6729c683af23ddf1ac9cdc77652...
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.