OpenTechnical

OT-2026-000064451

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000064451) never changes.

Identity and time

Publication numberOT-2026-000064451 · never reused
Internal UUID01a0ae8d-a461-7752-9338-c7f456471453 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064451
StatusPUBLIC

Content hashes

Canonical textd8a33824616ff9cf3a19a1a60317b1e2a20305e142f73be974a250ca62f06cf7
Markdown01663d8d45f7470fc58fc30c608ad1b4d89c140b87b071ffbb18649a1ea62f60
PDF
Publication pagecf69905194df560fe9220571d4a52c428b300391e2593d177907ab58c77a230c
Manifestadec64b0e2023a8e5f4740f8b715f3da403ff3eba16e0e0fe02ad0566f3ea18d

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
SignaturezVf/IjtUxAfXp32aGW+evJyXDp8pnEEB1n+TauEpp2xUOfuMHmfZ/eG0d5oLF/95UNDnZVXhnE80X7jYFS/gAQ==
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

2026-09-17T10:36:38.346490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064451
observed cf69905194df560fe9220571d4a52c42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:38.329895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064451/manifest.json
observed adec64b0e2023a8e5f4740f8b715f3da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:38.312471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064451/publication.md
observed 01663d8d45f7470fc58fc30c608ad1b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:38.296644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064451/publication.txt
observed d8a33824616ff9cf3a19a1a60317b1e2...
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.