OpenTechnical

OT-2026-000103386

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000103386) never changes.

Identity and time

Publication numberOT-2026-000103386 · never reused
Internal UUID01a0aea4-e460-7743-99a6-9def7026789e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103386
StatusPUBLIC

Content hashes

Canonical text8c18a91c132331203e5cc74dda7c151135eaa2969a97c4d919bccf0fd3cdae43
Markdown18d5100d73752939165d62683d2bac853abca410bf8557aaad207919dce44e86
PDF
Publication pagefbc4bc60cf718ef574f2e5b6e6496e69c01b0af894a0399ab11efcdae01d1874
Manifest23d7710db0cddc3fdfddeb28f7dc7c30dfc2ff92acc4587c6b6c5e4dadc1e495

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
Signature9J3WFNg9IaSBmH3vH4FLdLdeSFijMfbJ6KjhGYZq4mIxIb0s3M0YLuTyAGyIzreZFYl6dHeCZfYzQLBRmxFxBA==
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

2026-09-17T09:22:07.620277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103386
observed fbc4bc60cf718ef574f2e5b6e6496e69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.602113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103386/manifest.json
observed 23d7710db0cddc3fdfddeb28f7dc7c30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.581327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103386/publication.md
observed 18d5100d73752939165d62683d2bac85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.563712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103386/publication.txt
observed 8c18a91c132331203e5cc74dda7c1511...
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.