OpenTechnical

OT-2026-000103634

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, pulsed blow-off after 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-2026-000103634) never changes.

Identity and time

Publication numberOT-2026-000103634 · never reused
Internal UUID01a0aea4-e462-7951-ba70-68765e31965b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103634
StatusPUBLIC

Content hashes

Canonical text3ae19143e9f51eaf2bacd89a5c6af5b5f7898f017e828136bd4ecba899454847
Markdown9b9637fff60e546fffa42330c5ce76bf4004e7379d8b44126627fc28d16f393c
PDF
Publication page863aeca89eebc64fa346e4d0f4ea4e44af46ccf643b7c32c926bada429cb463c
Manifest1c5a3d1ba266c7cb165e89325e5db689e6dd291dcef026c789b72fbcc99ecec6

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
SignatureMQnRcpJIBhFgbcfi/EE0Upp6oH9Lg+cV+G8JjnSUSgc3Zz3rnpJKnlyozJajr8rIJWSCsgfX42uQjRoYUMNzBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:25.797713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103634
observed 863aeca89eebc64fa346e4d0f4ea4e44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:25.780042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103634/manifest.json
observed 1c5a3d1ba266c7cb165e89325e5db689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:25.763666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103634/publication.md
observed 9b9637fff60e546fffa42330c5ce76bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:25.744584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103634/publication.txt
observed 3ae19143e9f51eaf2bacd89a5c6af5b5...
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.