OpenTechnical

OT-2026-000099072

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000099072) never changes.

Identity and time

Publication numberOT-2026-000099072 · never reused
Internal UUID01a0aea2-8287-7074-961b-d54dd2f2a9a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099072
StatusPUBLIC

Content hashes

Canonical text81fcf293e97978138a7dfa8c87b34448a1df742459b6d6621a08a1b1e43cbb3f
Markdownf5fd4bdd43c49f875788b85aab10e6f2806931d1c69dfc9037b9cc0d470b28e8
PDF
Publication paged45d858a0f51b0abb5cce778d5df90b7383e348aace8fc485ff87d96fe69f3bb
Manifest7b13e0d4b41a2696708b526e2c54fc37612c66b5f9760286ce04e7de66cc8b62

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
Signaturezx4651CqLfwh1qOflQ9C9hE5AMaGul8ROAxyElDqzGuLtDFfItf5xfp2+mPFRwYI0LEdbfNThs2rAMkZ0JrEBQ==
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

2026-09-17T09:30:18.085272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099072
observed d45d858a0f51b0abb5cce778d5df90b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.066403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099072/manifest.json
observed 7b13e0d4b41a2696708b526e2c54fc37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.049364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099072/publication.md
observed f5fd4bdd43c49f875788b85aab10e6f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.028522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099072/publication.txt
observed 81fcf293e97978138a7dfa8c87b34448...
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.