OpenTechnical

OT-2026-000014025

Publication integrity record

Single cup vacuum gripper, pump fed, pulsed blow-off before set-down

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-2026-000014025) never changes.

Identity and time

Publication numberOT-2026-000014025 · never reused
Internal UUID01a0ae6d-8deb-75a4-8f29-08930392bd3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014025
StatusPUBLIC

Content hashes

Canonical text9d2097ee8c77a53228fadb2af1388095836c8790713c6e0e7bbaa4f7c29697f2
Markdownff357f53ca294f8823a320b29bdd90e08c422c153a1fac56f578b84f59f3c7ea
PDF
Publication pageb852b6dbfd7ea1043bfb1dfc72c37f87d194c84e0b68d0c3b1f6db6210e219bc
Manifest3fcccfe397fbcca79432792d17a2ec68f8ca7edfea384454f6568c869cc2682f

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
Signature+t1nMoAt7oGpxOycAWOxPGTEY9gfgVra9Abt4/XJBSp7007V41dBNOSCkYEPmWvc3kgCh43EqEFip90Q9WdSAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:09:15.226601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014025
observed b852b6dbfd7ea1043bfb1dfc72c37f87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:15.205911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014025/manifest.json
observed 3fcccfe397fbcca79432792d17a2ec68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:15.186808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014025/publication.md
observed ff357f53ca294f8823a320b29bdd90e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:15.166446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014025/publication.txt
observed 9d2097ee8c77a53228fadb2af1388095...
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.