OpenTechnical

OT-2026-000059248

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained 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-2026-000059248) never changes.

Identity and time

Publication numberOT-2026-000059248 · never reused
Internal UUID01a0ae89-8613-7ef4-9b6c-2fea4457a57e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059248
StatusPUBLIC

Content hashes

Canonical text3db184182121205f5e6611e19513c5bc6367b70de889d08ac25b4d4d81c1d39f
Markdownfe51e517b2476b959f5f3cdc7a6d13e2f348c3408ccb7683b0e0c6045cfd6984
PDF
Publication page6f2e35aeb456c38ea8bc17a732ee55676ebcdf171c507e4957a6f573252b1668
Manifest9aed116e51cb8d3481a6e43f86bee3293c06684a9e7aa16cb17c21c2ec2a4781

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
SignaturelJ2zSgCR+FEhZWRrwJ+LvkLq/pYu8uGSUjswLk3f77ViuggqWqGUFOpePwtEQRNC/oQpkEu4SrfjZYRl69U+CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:45:47.382420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059248
observed 6f2e35aeb456c38ea8bc17a732ee5567...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:47.365327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059248/manifest.json
observed 9aed116e51cb8d3481a6e43f86bee329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:47.348408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059248/publication.md
observed fe51e517b2476b959f5f3cdc7a6d13e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:47.330825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059248/publication.txt
observed 3db184182121205f5e6611e19513c5bc...
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.