OpenTechnical

OT-2026-000064003

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000064003) never changes.

Identity and time

Publication numberOT-2026-000064003 · never reused
Internal UUID01a0ae8d-53bc-7a41-a3fe-0e75394426d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064003
StatusPUBLIC

Content hashes

Canonical text289b0c663456af026af4953984574e68b34edb6deb70bf1b5cdaf28a88b9b13c
Markdownf26a290e8d95e070b342b2e989a9236775ff23c73a446feba90811e5f8dc4e45
PDF
Publication pagee2003db0e8b0b0c7c3e0c704e5174b203423e46dd8fd6704be1550015d6d1e76
Manifest496c1cf44e6c54c2094025b4a6f56e67d557490b0705b171b4de525bdc801335

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
SignatureXD+qFge/7/UYqsjFQ4s2wqURkrrby0ug5pbtdBhxRXKD/4iDTzQJ9CFYJ/qtcZfoIO57B4LygX3vFRbXPH4tDA==
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

2026-09-17T10:37:04.872877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064003
observed e2003db0e8b0b0c7c3e0c704e5174b20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:04.855853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064003/manifest.json
observed 496c1cf44e6c54c2094025b4a6f56e67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:04.830407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064003/publication.md
observed f26a290e8d95e070b342b2e989a92367...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:04.803412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064003/publication.txt
observed 289b0c663456af026af4953984574e68...
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.