OpenTechnical

OT-2026-000084342

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000084342) never changes.

Identity and time

Publication numberOT-2026-000084342 · never reused
Internal UUID01a0ae98-5b61-7fa8-ad44-132f39e86f99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084342
StatusPUBLIC

Content hashes

Canonical text876a37a5f024dca06d5c3f0abe0e696bbfa9f97f055528c3321e3f3f47bb1978
Markdownb79acbf8f13d5f5f8805a06b24c988408b4efcb93e6847c3c615a3ab4733e54f
PDF
Publication page457f7e570079c28d7bbd5cab487d91a2be258a3bb849bde371e65bd990ea397c
Manifestfddf387044a65cd188e2ad6a1b36bd8ee5dc7ed30e0e5fb66b4142bf9f1e29c6

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
SignaturefEEa3ZUNgqZn+4ns4GiDKwca2Tm6lJ1Nl40LoOK2XLYS8uZzsipOIGLQQ3Zp62d0bzwkx7Vt64ivuFl/go/JBg==
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

2026-09-17T09:56:16.358403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084342
observed 457f7e570079c28d7bbd5cab487d91a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:16.341244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084342/manifest.json
observed fddf387044a65cd188e2ad6a1b36bd8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:16.322004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084342/publication.md
observed b79acbf8f13d5f5f8805a06b24c98840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:16.302627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084342/publication.txt
observed 876a37a5f024dca06d5c3f0abe0e696b...
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.