OpenTechnical

OT-2026-000098457

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, supply line 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-2026-000098457) never changes.

Identity and time

Publication numberOT-2026-000098457 · never reused
Internal UUID01a0aea1-e966-7fd4-8f8c-68e207e37449 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098457
StatusPUBLIC

Content hashes

Canonical textc37d4edc040a9a20d6621b5af2e10368f67c7e728adf432be57d887e66ce5559
Markdown74d84959a58ea634fbb587ab17edc5c6723c297c20628495d1abf4c5c107c2c7
PDF
Publication page8ec6b914cd48ce3ce58f159afd98e0951b426b3ab5e69120c85bf523077b100f
Manifest4a589d0ece8e7a781ebec23b7c4728b72eaa8b2054145134d7d3b2c35eba781d

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
Signature6O65adQbgY5VLmHKPxYFKO/f6uTWKBaIGr3sliHCIKc03ilPOG/eQVv3/vg7JNeQaDi4MfMMsthuOwboEJgRAg==
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

2026-09-17T09:32:19.083557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098457
observed 8ec6b914cd48ce3ce58f159afd98e095...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:19.066903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098457/manifest.json
observed 4a589d0ece8e7a781ebec23b7c4728b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:19.049457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098457/publication.md
observed 74d84959a58ea634fbb587ab17edc5c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:19.031372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098457/publication.txt
observed c37d4edc040a9a20d6621b5af2e10368...
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.