OpenTechnical

OT-2026-000070287

Publication integrity record

Three cup vacuum gripper, three zone face, three 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-2026-000070287) never changes.

Identity and time

Publication numberOT-2026-000070287 · never reused
Internal UUID01a0ae91-545e-7db2-9d4f-fe71fbb045be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070287
StatusPUBLIC

Content hashes

Canonical text8fa1d719374fcb17901ef1b3626d609124e8a26ee9b6a23144dc6f35a9e605ac
Markdown7e32a97192c640a68e08b193b03c91f4ab3264955f0284a47bab56fdcf9038e8
PDF
Publication page7f0b60feba316bae80dd9c29b2a4af8f530159f745d58c325cd4ef237ac8478e
Manifestaad85c1aec9b00709fe07cd0444548496771f89002e037d69a5ca32e72b2b296

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
Signature3xOzIzvPUr+xRrTLNf1BkhtLdwWTEzgC/ig63/LVtnYrH95yNDJZgrJUIFi3iAvO+8QqvSABu44say8UFZi1CQ==
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

2026-09-17T10:26:04.327975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070287
observed 7f0b60feba316bae80dd9c29b2a4af8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:04.312293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070287/manifest.json
observed aad85c1aec9b00709fe07cd044454849...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:04.296219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070287/publication.md
observed 7e32a97192c640a68e08b193b03c91f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:04.278778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070287/publication.txt
observed 8fa1d719374fcb17901ef1b3626d6091...
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.