OpenTechnical

OT-2026-000088054

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000088054) never changes.

Identity and time

Publication numberOT-2026-000088054 · never reused
Internal UUID01a0ae9b-1aa7-717b-9b05-59e33adf1af3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088054
StatusPUBLIC

Content hashes

Canonical texta6a849745378879838aeca0628684fbde38e3b2783e24fbc76720c56ed4f1605
Markdownd982e142f8f270c55dde5d62f8ae55f25e6b3ab98dabcc3f10bc2d3dbdc0bdad
PDF
Publication page8514fc4b15d8d0c07fc7c618ecd8e85ccce4239bb7f8e8c97b659fb76ae75ea0
Manifest394a9645fd1eb34f9915a50ae793a421e04ddba7ad94991a2b17ba6f439d6e7e

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
SignatureFyzc2ZW34acrf0L7ummK0ybQvfrGGlhyKBRTQwlZdKF7AR6WGMsSh0blPfWaZIXzgiWHApEPjU0T4P2aPb5OCA==
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

2026-09-17T09:49:27.171172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088054
observed 8514fc4b15d8d0c07fc7c618ecd8e85c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:27.154514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088054/manifest.json
observed 394a9645fd1eb34f9915a50ae793a421...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:27.136344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088054/publication.md
observed d982e142f8f270c55dde5d62f8ae55f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:27.113437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088054/publication.txt
observed a6a849745378879838aeca0628684fbd...
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.