OpenTechnical

OT-2026-000086261

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, sustained 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-2026-000086261) never changes.

Identity and time

Publication numberOT-2026-000086261 · never reused
Internal UUID01a0ae9a-2c95-7630-bfe2-7324cf482ea3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086261
StatusPUBLIC

Content hashes

Canonical text5f27671ffca517441bdc04027c742f935615179d570b1514a81a60bd7fc1a997
Markdowne4da8fe45ad98765a1e6c9756c991d3c2e9c73965e710720cc6c41dfc66b61a7
PDF
Publication pagef8cea5e2f63825e5b8a936567b260ca016b597d0c5d99cd1fa5b0a72d9bebf3b
Manifesta35b6a2a35eaf51eb13301802ab34acd5df0b5e0f72b4c2fd195caeefc44d442

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
SignatureC9quZiLNwbneaGiyAmJqCSG2mYRJoksB20tBbJi381w5zzvW7UfcYybuX61kSr3MKqoV5cc/vKqE1CCzyq7PDA==
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

2026-09-17T09:51:55.679465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086261
observed f8cea5e2f63825e5b8a936567b260ca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:55.661847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086261/manifest.json
observed a35b6a2a35eaf51eb13301802ab34acd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:55.644692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086261/publication.md
observed e4da8fe45ad98765a1e6c9756c991d3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:55.626741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086261/publication.txt
observed 5f27671ffca517441bdc04027c742f93...
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.