OpenTechnical

OT-2026-000101791

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, 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-2026-000101791) never changes.

Identity and time

Publication numberOT-2026-000101791 · never reused
Internal UUID01a0aea4-0e17-7af8-861f-8f9c2a5ddce2 · 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-2026-000101791
StatusPUBLIC

Content hashes

Canonical text412385b12338487b918b5237d934d67b1eb636864cd4a87c903e30ba40c41e0e
Markdown7addb146b7d7bc413e94b1c182cc372993f6b1ab2facd0b3761bc96510837cdb
PDF
Publication page25eed777cc3c9d0ce96e0bed14aa8065615ba7873eb368cc227aa2f2af12335a
Manifest2f7a347e0e168532acdf7b3dbc7d1506f83d6e5cefe09888404a40475a2099de

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
Signature+BC15qIfmMkzCTIS1xDrARvI9eqJgO1B45kUduawfBAqfhL6t/Ax63ym5fCAZwVvdUDw2ACxPolfF8ETgQBXDQ==
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

2026-09-17T09:26:17.288765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101791
observed 25eed777cc3c9d0ce96e0bed14aa8065...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:17.269991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101791/manifest.json
observed 2f7a347e0e168532acdf7b3dbc7d1506...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:17.252655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101791/publication.md
observed 7addb146b7d7bc413e94b1c182cc3729...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:17.234556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101791/publication.txt
observed 412385b12338487b918b5237d934d67b...
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.