OpenTechnical

OT-2026-000082713

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, 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-2026-000082713) never changes.

Identity and time

Publication numberOT-2026-000082713 · never reused
Internal UUID01a0ae97-8cc8-7684-82f4-705b4bfbda8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082713
StatusPUBLIC

Content hashes

Canonical text5c464979e907d0c33d3e021fbf23eb40cd4ed912595d15d1bf0124c23678374e
Markdown0d99c5ed8dd6367a5579f6690e4824c616bca009c304af18425daf1b990fd3b1
PDF
Publication page2b6307bcc9f475d54b83ce366af951be7c2538bef3cc163202d140e1f62734c7
Manifest1dbae57d502dd720019e1b9ffc5a6bcec78888b6736cf58eff931d1583a3fe7c

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
SignatureW62LLRBeyCIFfW8C4lm8awrw9X34ej92B+d+rLxYNs0htTc2buUmq78yeu6S8wZHVlN0nOmTWU+LYxlgeBmLAA==
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

2026-09-17T09:58:17.338333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082713
observed 2b6307bcc9f475d54b83ce366af951be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:17.321439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082713/manifest.json
observed 1dbae57d502dd720019e1b9ffc5a6bce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:17.305013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082713/publication.md
observed 0d99c5ed8dd6367a5579f6690e4824c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:17.288538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082713/publication.txt
observed 5c464979e907d0c33d3e021fbf23eb40...
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.