OpenTechnical

OT-2026-000064055

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000064055) never changes.

Identity and time

Publication numberOT-2026-000064055 · never reused
Internal UUID01a0ae8d-53be-7c1c-9911-ddc73aa0418d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064055
StatusPUBLIC

Content hashes

Canonical texta2cbc447fb07725d5b0f2123fe8e87a6be5a63619777a7caad225dbb58bce492
Markdowna0983003087d1799c928871d06ff3b546716f338023377f6e102f6e32c60aacf
PDF
Publication pagee46628bf29f2bfc0f7d2c398f909a0aaef110fe396011fc1f006493dc804432c
Manifest7bab5c68dbad96e674a973c642c6979bf898fd95ce21916cccb82a1c17e65bbf

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
SignaturevxdSM/R5xNMmANKbFF2qKwAQUuaUTscoT3ri6CKTUCgqoHO7bycBpOnQCv45sisiP+iCefpLQKFW6eCi+mi+CA==
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

2026-09-17T10:37:09.120693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064055
observed e46628bf29f2bfc0f7d2c398f909a0aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:09.101703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064055/manifest.json
observed 7bab5c68dbad96e674a973c642c6979b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:09.080694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064055/publication.md
observed a0983003087d1799c928871d06ff3b54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:09.062668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064055/publication.txt
observed a2cbc447fb07725d5b0f2123fe8e87a6...
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.