OpenTechnical

OT-2026-000092839

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000092839) never changes.

Identity and time

Publication numberOT-2026-000092839 · never reused
Internal UUID01a0ae9d-b601-703a-bc96-bd3fb04c0821 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092839
StatusPUBLIC

Content hashes

Canonical textea869b64b94ab898e96643d77efa115a4a966e11787077dfc76a8ba03c5ed69f
Markdown4ff2ab7fa64ed84b87e0fa3e1257952ca9b3856203b37141957948beb2d6fa15
PDF
Publication page6e79c43f470961f6c741167b401e862ccbb604a31a1dc2c4419f357999c73b6b
Manifest52111ed7828ce447336ea461df9af750572bca751d2794786c69e2b96b346492

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
SignatureaMv8BsIyywSuCwcnHRnxXEjUYA29/v08bmWRSXqcDh2Fqs0r7dD8yN8ljVpZP+vnOQlfa8MYGjOHroxsS510CA==
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

2026-09-17T09:41:29.507885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092839
observed 6e79c43f470961f6c741167b401e862c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:29.490134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092839/manifest.json
observed 52111ed7828ce447336ea461df9af750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:29.471853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092839/publication.md
observed 4ff2ab7fa64ed84b87e0fa3e1257952c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:29.453281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092839/publication.txt
observed ea869b64b94ab898e96643d77efa115a...
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.