OpenTechnical

OT-2026-000101709

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, pulsed blow-off after 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-2026-000101709) never changes.

Identity and time

Publication numberOT-2026-000101709 · never reused
Internal UUID01a0aea4-0e16-7ce9-a2aa-a821a7b3ffca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101709
StatusPUBLIC

Content hashes

Canonical textd69757a64b780015a2b3261f289db4f2d0a578626650cad7e0e695be87d3be41
Markdownd9787f95fc98d5cd91dff243b2ce4b914d3eb5899136e4502b5e3c61e518669b
PDF
Publication pagecbf54a7c79261467c1acce8b38402d26558650409e844b07ab1a62c9ef7fc962
Manifest3a45cbca29c147bf2d8af955ab53ba878558306112cde45d1ad2c90e2f3a435f

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
SignatureKKGOJLIrvvbysIslYjfU76hdNALoy4p+THMKcjv3H64NCvJ+7vBik4Z9A0Hn154VPHaSBSs/Z/dlL1cOzr1OCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:08.326461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101709
observed cbf54a7c79261467c1acce8b38402d26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:08.307330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101709/manifest.json
observed 3a45cbca29c147bf2d8af955ab53ba87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:08.288949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101709/publication.md
observed d9787f95fc98d5cd91dff243b2ce4b91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:08.270916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101709/publication.txt
observed d69757a64b780015a2b3261f289db4f2...
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.