OpenTechnical

OT-2026-000076674

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000076674) never changes.

Identity and time

Publication numberOT-2026-000076674 · never reused
Internal UUID01a0ae94-b06f-7dab-aa34-04ed2dfff856 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076674
StatusPUBLIC

Content hashes

Canonical text3f3f1adae59fe6a0dc9056a5fddd2df615ffcd16deca9e5c03eccc6a7b968456
Markdownf6971c0f8da69818c2cf065bb897fad133e9d367afb7f796b5e4c36d63377599
PDF
Publication pagef15c0381571f125ce2bca067433142869a28b0a5d98bc2c160a23a8b126ee8a9
Manifest76c6d4e82cd8a9901e2b5b62cb1548bdf973a239a8f5036573a3edc2b5129330

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
SignatureuSMbBrDgb8HgPePkio76JGix4NQ879ZyVs+MKonRmk8Xq7icEWwZ14elJwoLjltCszbqaR0XHhJ1202qdHDkCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:09:25.504328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076674
observed f15c0381571f125ce2bca06743314286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:25.485616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076674/manifest.json
observed 76c6d4e82cd8a9901e2b5b62cb1548bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:25.466859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076674/publication.md
observed f6971c0f8da69818c2cf065bb897fad1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:25.446768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076674/publication.txt
observed 3f3f1adae59fe6a0dc9056a5fddd2df6...
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.