OpenTechnical

OT-2026-000104217

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000104217) never changes.

Identity and time

Publication numberOT-2026-000104217 · never reused
Internal UUID01a0aea5-3420-7a16-aa2e-b47883fd7c4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104217
StatusPUBLIC

Content hashes

Canonical text5ddb5bbdfc0472fedd3c688f87737193b346ba3e35cd695ec7ab56b73ebddc31
Markdown932bc9d0f37edf2eb82a7a876694f33dfdd75804fca244850d4d16a66fe820d8
PDF
Publication page0d146a8780e9e90b87ba6067c07066fe0bac91a24f773d8a20578482c913c52b
Manifestc5ac8da38a364d3da19f08ca726de786bd57d3a2f908276d3c394e938fac9979

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
SignatureTHWVluf+rMUfhmnbRYDIHa0eP2GRRgoZeFfAd1blr2IMsMBjYq+AxGotI0F3Yl5Sy+yS/ZQAE3YHG8dFTggBDA==
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

2026-09-17T09:20:19.187693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104217
observed 0d146a8780e9e90b87ba6067c07066fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:19.171535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104217/manifest.json
observed c5ac8da38a364d3da19f08ca726de786...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:19.154487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104217/publication.md
observed 932bc9d0f37edf2eb82a7a876694f33d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:19.111051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104217/publication.txt
observed 5ddb5bbdfc0472fedd3c688f87737193...
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.