OpenTechnical

OT-2026-000065299

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000065299) never changes.

Identity and time

Publication numberOT-2026-000065299 · never reused
Internal UUID01a0ae8e-1dfa-776c-a96e-2e09b7e48991 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065299
StatusPUBLIC

Content hashes

Canonical text32a33bf735c6ff3a610fe2d391cbbe52ff5270536a5d1d744c259cca5be8c730
Markdown11b5da6beb80af441c9a98d4a11de680686d3d918f6bbcf312b7b69029017021
PDF
Publication page3bb4aee2136f886b9179b4d0a5f42ebed44230042bf29dae09f7cfb5fadff915
Manifest4c1f057f5f40fae3b4b41e2f5e468653d2fae0ef19eaaf14494f7eaf0eb9536d

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
SignatureK2N2ei6umPQLXKqlohRpJkFFvMWM6AW/Mrf7fkynoYqTwKJz3QeHEqiiNqjzwC79C1AH/XHEPs3rVI2UOjxTAQ==
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

2026-09-17T10:35:16.338015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065299
observed 3bb4aee2136f886b9179b4d0a5f42ebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:16.320511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065299/manifest.json
observed 4c1f057f5f40fae3b4b41e2f5e468653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:16.300349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065299/publication.md
observed 11b5da6beb80af441c9a98d4a11de680...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:16.282572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065299/publication.txt
observed 32a33bf735c6ff3a610fe2d391cbbe52...
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.