OpenTechnical

OT-2026-000102544

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pulsed blow-off after set-down

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-2026-000102544) never changes.

Identity and time

Publication numberOT-2026-000102544 · never reused
Internal UUID01a0aea4-858a-72e1-9e3e-0685c8e5b252 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102544
StatusPUBLIC

Content hashes

Canonical textb59a58727a584e68a5e1a88f37e77b91dfab81006c339149948a5835929600a0
Markdown9591a8befba09d54a19e3b95f44852337ffee3c57f08d2ac81542495d3cac5c7
PDF
Publication page0aca07aa8aeeda01e3a808ece8e4e9e737794f88bca8f8568642b7677c1fc065
Manifestc6b051ba4226e11bb20f6ca5f26a215ec260982666310192bca1ba74bbfb192d

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
Signaturej6c2sXJ/p4Gc8snmD4uQ63GUd6KxSodg9ORj4V5fWAohXd5ssUgNlyuYarbUfr7o8fSsZtfPLFv0EmY4UtRWCw==
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

2026-09-17T09:24:01.291922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102544
observed 0aca07aa8aeeda01e3a808ece8e4e9e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:01.272284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102544/manifest.json
observed c6b051ba4226e11bb20f6ca5f26a215e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:01.253686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102544/publication.md
observed 9591a8befba09d54a19e3b95f4485233...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:01.236166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102544/publication.txt
observed b59a58727a584e68a5e1a88f37e77b91...
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.