OpenTechnical

OT-2026-000070623

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, single 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-2026-000070623) never changes.

Identity and time

Publication numberOT-2026-000070623 · never reused
Internal UUID01a0ae91-8c2b-77f8-9cb9-44e6078222df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070623
StatusPUBLIC

Content hashes

Canonical text04423c5ffd8deaf930b15d93f4eeeb49a12d3e4b7c7adc73df933b97812682c9
Markdown81fd17626abd897f8849a5a90e907bc65b955efda86974708282689c53950f9c
PDF
Publication page574c0aaeee7c385758cc26f5539b222ca98dc93d3562a8115a2aba86a2b15d7c
Manifestbb8933366952b09c24b1de1b1215cfd4d30cb22fafc3499880c774ac3cf52127

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
SignatureiS5xE3mV/el5Aj/f2PbDvy8/F/jToj9y57CrvhKroJRHhxI0pcNrR9BQaq7OczPDrIsMDELV7FkzmTbaCTp5BQ==
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

2026-09-17T10:25:17.306560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070623
observed 574c0aaeee7c385758cc26f5539b222c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:17.286131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070623/manifest.json
observed bb8933366952b09c24b1de1b1215cfd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:17.267203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070623/publication.md
observed 81fd17626abd897f8849a5a90e907bc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:17.246529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070623/publication.txt
observed 04423c5ffd8deaf930b15d93f4eeeb49...
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.