OpenTechnical

OT-2026-000071353

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000071353) never changes.

Identity and time

Publication numberOT-2026-000071353 · never reused
Internal UUID01a0ae91-e0ed-7c3f-af42-a696bde31356 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071353
StatusPUBLIC

Content hashes

Canonical text6d4d2a590830b917cfd133c8c28703f0d9fa1e939d2ab903523c66ef13bea9bc
Markdown24bf7d1b012841d9294b6608504ae1d49cc2aa05b7916b57be95a71e87d6fd6c
PDF
Publication pagec577b7a95a644dac270e1183ba3c90107944c5ce95cb4f37f21fafa40dfbe612
Manifest96624bcade424612ae55632c3344d39434c793dceaafaab81153ae561b788e31

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
SignatureENXYaMDN59i8IJYA2RQrQLTT8uBjqDw/8SR4hwr77YPJ8Ym37FOy/ok1Gmv3GaxIjYjhpUGZKXRGNu8Hzex8Ag==
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

2026-09-17T10:24:57.647918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071353
observed c577b7a95a644dac270e1183ba3c9010...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:57.627799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071353/manifest.json
observed 96624bcade424612ae55632c3344d394...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:57.587858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071353/publication.md
observed 24bf7d1b012841d9294b6608504ae1d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:57.547831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071353/publication.txt
observed 6d4d2a590830b917cfd133c8c28703f0...
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.