OpenTechnical

OT-2026-000076635

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000076635) never changes.

Identity and time

Publication numberOT-2026-000076635 · never reused
Internal UUID01a0ae94-b06e-76a8-9acd-d6b8dccde493 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076635
StatusPUBLIC

Content hashes

Canonical text8cc47160b503b9d4437895447d9dc230548ee38c6c5ee9f5ec52f8a9a0b0e148
Markdown766dd710d0d4ecbe4510c48daa416f4a84617bf239b4c368c19ebc32e36061af
PDF
Publication pagebfeda4f08769bf5881d5c3b410c6d6d72e3ca64a9a9f62cff066f6dffa0f6fc8
Manifest8a83965542621c3d45cccf4d1d538ad925cf31d591f454c208cb749b28bd8cbd

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
SignatureGqyz+qt0XbV0Z9BPtFdlI2qHkWXYc8PzZZhvOUlHsT9BtIkLV8Ut3eX9J92RKxoQMqo0VKtruLbqavGnJOZUAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:09:22.211073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076635
observed bfeda4f08769bf5881d5c3b410c6d6d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:22.191092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076635/manifest.json
observed 8a83965542621c3d45cccf4d1d538ad9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:22.170361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076635/publication.md
observed 766dd710d0d4ecbe4510c48daa416f4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:22.150666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076635/publication.txt
observed 8cc47160b503b9d4437895447d9dc230...
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.