OpenTechnical

OT-2026-000081567

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, sustained 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-2026-000081567) never changes.

Identity and time

Publication numberOT-2026-000081567 · never reused
Internal UUID01a0ae97-0f71-79ef-b811-5c72b6fe45aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081567
StatusPUBLIC

Content hashes

Canonical text42cc712b49d6d767eec039a184817a0b6c2623fcc96b399d1b5461128eb7d1e1
Markdown93d55312b05c6c326cc79a8ead58e0da201ea95eceb145ef975828dcb08d2054
PDF
Publication page515ec6a52454a5f0d7ba4184618551d0bc5421b054373ba4f89ba24332827fb5
Manifestefa871fa43c1ccbba5e9a1510ebcfcd717f8e7de501ebfcfb45ac80ca48994f5

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
Signaturei4uKwbDyWyCUBlkkWozMpBxg1oWDDdOk9IvE7mqYa8pqaW/VjaUwTth6hWmZny2p1TIq1Gqfudvej9cgY+RNAg==
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

2026-09-17T09:59:35.812112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081567
observed 515ec6a52454a5f0d7ba4184618551d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:35.791499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081567/manifest.json
observed efa871fa43c1ccbba5e9a1510ebcfcd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:35.772475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081567/publication.md
observed 93d55312b05c6c326cc79a8ead58e0da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:35.753477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081567/publication.txt
observed 42cc712b49d6d767eec039a184817a0b...
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.