OpenTechnical

OT-2026-000066027

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, pulsed 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-2026-000066027) never changes.

Identity and time

Publication numberOT-2026-000066027 · never reused
Internal UUID01a0ae8e-8dc2-7313-a2a6-e4dd2dc54b0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066027
StatusPUBLIC

Content hashes

Canonical text407e8917c7a379851ebcd545aa1cb6cbe45d84f6ee3e0ad35045d5c1238b6eae
Markdownd13fe071accb92845450e0d31c924d20f5eb0b52aaea230c1abfdef86a8088bc
PDF
Publication page3479fa5b2d6f2b72e14145e85164664b629549113930766033431ea84b418cfd
Manifest1113feee09a1d7a46638581317c3d4b21152c83b144e0b022e6f38031236f8c4

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
SignatureN3k8la9Al30J+RG9EyaGur9Scm9TbOrBI09LLsFEh+K6yYIW3XNt4SOS9dMMjfFA3Orp18AMDMT8L5tbeo8nAg==
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

2026-09-17T08:50:36.018456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066027
observed 3479fa5b2d6f2b72e14145e85164664b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:35.997613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066027/manifest.json
observed 1113feee09a1d7a46638581317c3d4b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:35.975439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066027/publication.md
observed d13fe071accb92845450e0d31c924d20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:35.830778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066027/publication.txt
observed 407e8917c7a379851ebcd545aa1cb6cb...
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.