OpenTechnical

OT-2026-000083133

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, sustained 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-2026-000083133) never changes.

Identity and time

Publication numberOT-2026-000083133 · never reused
Internal UUID01a0ae97-c962-777b-9177-51fe7dc4c472 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083133
StatusPUBLIC

Content hashes

Canonical text0214b85987b6ef37c362760341fdea3caf3edbde9a84053e03a8bbc9493cdeef
Markdown0bd2e03f2f3871a8f41d6991d599a42805e1413911b6c8f2fc74da64b6056c89
PDF
Publication pagee665b6c9abf586b502e8a9602e996f92dc09303170dd76616170b810194bdd2c
Manifest1b14f27dd78fe2ea89a2a42e33fd1997b67702b30d8afd530dba4f349e4b4a05

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
SignaturevkCd4GaMxDbvq0hDAhmkpQV+oft5/+i5X17276LjN/iKHNB1XhryOA8lToO/WCIpJNAJEuXT6aZVhuKQtQbnCw==
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

2026-09-17T09:00:46.115207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083133
observed e665b6c9abf586b502e8a9602e996f92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:46.093856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083133/manifest.json
observed 1b14f27dd78fe2ea89a2a42e33fd1997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:46.071965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083133/publication.md
observed 0bd2e03f2f3871a8f41d6991d599a428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:45.931397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083133/publication.txt
observed 0214b85987b6ef37c362760341fdea3c...
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.