OpenTechnical

OT-2026-000087098

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000087098) never changes.

Identity and time

Publication numberOT-2026-000087098 · never reused
Internal UUID01a0ae9a-9f2d-7e01-9128-edffccec78ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087098
StatusPUBLIC

Content hashes

Canonical textc8077467824e89f6a8291cbe57eaf469ad1933d0e50e417d9b364ddc217e02ff
Markdown486258dd8b40933c6aa37bfc63b4f86bf973968ee2758a0d907e10abfb81d604
PDF
Publication pagef3447fa2df303eb2a9c8fb55d4698038ebec1a2cd2a73b1d7f706fb8d95fbc58
Manifest249c9de909445896f2088cf8dee2ce3bd9aee1ffbbef54709966f92b04342754

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
SignatureJg00zgn8vO24e878AqQh7JIQvZ3ipohIoJ0j7TB0zrvdBM7LC9YElTnK/Df4fCTWP9CYN/4aES9Uc3yMvpy2CQ==
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

2026-09-17T09:51:21.484487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087098
observed f3447fa2df303eb2a9c8fb55d4698038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:21.468409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087098/manifest.json
observed 249c9de909445896f2088cf8dee2ce3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:21.451605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087098/publication.md
observed 486258dd8b40933c6aa37bfc63b4f86b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:21.435898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087098/publication.txt
observed c8077467824e89f6a8291cbe57eaf469...
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.