OpenTechnical

OT-2026-000104014

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single 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-2026-000104014) never changes.

Identity and time

Publication numberOT-2026-000104014 · never reused
Internal UUID01a0aea5-15e8-75d4-9408-028f6f8d1e2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104014
StatusPUBLIC

Content hashes

Canonical text64fc30fedd3b456a6f912ef8f1d56ef20216a0f908c5802700d4fc31d8a9c9bb
Markdownd8d8e4b655c2b581d6a73402e1fc8dfca6d3b65d35b8709fcc813934e786fa83
PDF
Publication pagebbc8b6ce7fede281382b008f4d6fb8292da915046a6c0f6cc47331f4c737a834
Manifest8567f1e7ee7062f382da7375c89ebfb0d357695db85a228030fbbd06c35d5edf

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
Signature0JWLoejsqGUeppQcremETiDDiOrVbznVtZ9eH4Lip5hwwK5rgu0qIAO0/9PPW5p8QH1TNhw7YqM0kZRuExdZBg==
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

2026-09-17T09:22:01.610652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104014
observed bbc8b6ce7fede281382b008f4d6fb829...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:01.593549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104014/manifest.json
observed 8567f1e7ee7062f382da7375c89ebfb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:01.577646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104014/publication.md
observed d8d8e4b655c2b581d6a73402e1fc8dfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:01.561647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104014/publication.txt
observed 64fc30fedd3b456a6f912ef8f1d56ef2...
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.