OpenTechnical

OT-2026-000008944

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, 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-2026-000008944) never changes.

Identity and time

Publication numberOT-2026-000008944 · never reused
Internal UUID01a0ae6b-31b7-7354-a913-35e49ff15c98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008944
StatusPUBLIC

Content hashes

Canonical textf47ddb59a6f261eb466d57a4c99a9c8cd63198fbd9539e0fc1ae0e5d12f5eb57
Markdown90f70e1b5c1f9ba8215b26b9d822a72fd3f81de821f40efd2bdd20ec2e430b9d
PDF
Publication page62e2cb0a311f0916abb4f15ce3c036eb06934411706fda1edaf750d3c19164bb
Manifesteb4453d8527d5828e4adaef7b91f69032902e12dcd382e21f73751db7c29b814

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
Signaturea/kfIpH3KrlqrqXlygtyhyfY1lPrYvBpmhoW5cWuV/N5s6OQtsPNCMFN+9NrKDXmN2QcHV2BpFZExwi9rxdBCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:33.400491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008944
observed 62e2cb0a311f0916abb4f15ce3c036eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:33.382259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008944/manifest.json
observed eb4453d8527d5828e4adaef7b91f6903...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:33.364125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008944/publication.md
observed 90f70e1b5c1f9ba8215b26b9d822a72f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:33.346580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008944/publication.txt
observed f47ddb59a6f261eb466d57a4c99a9c8c...
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.