OpenTechnical

OT-2026-000034980

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000034980) never changes.

Identity and time

Publication numberOT-2026-000034980 · never reused
Internal UUID01a0ae76-6a1c-7c2d-9577-4007f1f7515d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034980
StatusPUBLIC

Content hashes

Canonical texted0cbf211c92fe55eb59004653361a2a034864692795803974882ca3a5671b48
Markdown830cf511c1e2e57ff378ea22b2d24599cb675b79efe4c1ee0e4a36c0a249162a
PDF
Publication pagea5e0f3992fe89a7a308ca664326e5923e5ef6f4048ee522dbbc0dc31ef605ba8
Manifest22e2ad29b14c220ba1b67f2b2fca40c3f9c156445cc4bd835c48bced7ba9615d

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
SignatureQA+Ark3R6DJMiUqlZf3QeaWi/yz437fo9LOPP7oaNY8QexB6iCzD2PNu9ke1U0IuBFkhE8T0dAfxQ02n8xFrDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:27:54.813511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034980
observed a5e0f3992fe89a7a308ca664326e5923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:54.797770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034980/manifest.json
observed 22e2ad29b14c220ba1b67f2b2fca40c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:54.779965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034980/publication.md
observed 830cf511c1e2e57ff378ea22b2d24599...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:54.758123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034980/publication.txt
observed ed0cbf211c92fe55eb59004653361a2a...
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.