OpenTechnical

OT-2026-000079671

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000079671) never changes.

Identity and time

Publication numberOT-2026-000079671 · never reused
Internal UUID01a0ae96-4375-7fdd-900c-098dea135372 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079671
StatusPUBLIC

Content hashes

Canonical text823a3e98ee2d860263e859427d976539a95e1a4b91bc2654db9362833fc675bb
Markdownccf2ea4b402bfb732012eaf72e5f9951f28a9f37b7aee1309330aa51be30ec8c
PDF
Publication page8b5c62f521a61b2f9e96865fa9be76f1839c01f776fd1b6d88291b7b0e95cb44
Manifestd833eba17851bd49beb958ba55da3b8f0fc18232d2aadea1cee5a8eb9f4a7128

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
Signaturew9lY9TUalvJItVocStvK1e7YJQLF6XJr+aWcX4lqz+V4QPFsaUrvWf9mPzKBgIwrtKICscXoF3QeRthg9Y/vBA==
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

2026-09-17T10:03:26.713756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079671
observed 8b5c62f521a61b2f9e96865fa9be76f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:26.695044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079671/manifest.json
observed d833eba17851bd49beb958ba55da3b8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:26.678956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079671/publication.md
observed ccf2ea4b402bfb732012eaf72e5f9951...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:26.661417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079671/publication.txt
observed 823a3e98ee2d860263e859427d976539...
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.