OpenTechnical

OT-2026-000082857

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, 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-2026-000082857) never changes.

Identity and time

Publication numberOT-2026-000082857 · never reused
Internal UUID01a0ae97-8cc9-7248-90b3-7530ce5df415 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082857
StatusPUBLIC

Content hashes

Canonical text2be9989b0c509db4e2235c98c7ca80a36af01da759fbb2630fb43aab63afefef
Markdown5469747215e39089d0d575b419ce4c63451417486bb894a55d56e4da5e28b70c
PDF
Publication pageb3a68d76448676d4fae8ee307f865dfa16c4f5661d676d29730b9f338b3b1805
Manifestb2946085a6229b7762fe73881115c80c70440313625b343a44a053a5674b2669

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
SignaturefBSXg9xXp95uJvCc2j4HPxpnuzeUDEeoSq4YpaJjJ1oDsJ/Z+xHsDG1vs1y+gs/yIqLKl2mKN+lPYSVLNuc6AQ==
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

2026-09-17T09:58:32.147962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082857
observed b3a68d76448676d4fae8ee307f865dfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:32.129983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082857/manifest.json
observed b2946085a6229b7762fe73881115c80c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:32.111292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082857/publication.md
observed 5469747215e39089d0d575b419ce4c63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:32.093113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082857/publication.txt
observed 2be9989b0c509db4e2235c98c7ca80a3...
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.