OpenTechnical

OT-2026-000082278

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000082278) never changes.

Identity and time

Publication numberOT-2026-000082278 · never reused
Internal UUID01a0ae97-4d94-7455-8024-a7d66f1d1e91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082278
StatusPUBLIC

Content hashes

Canonical text751fd5566e25782f375eb70ca9d111ded64b9ccf868ef8593f396ddeb9ed51b9
Markdown072236daed1f5e71b602b8d8ac0836c232d5a53f012fee7985a215259fdd77e5
PDF
Publication pagef993e471fa21bb1ac4ab1fa64c61069c67fe328efda388d779bfec2265fd6cbd
Manifest1a22ea3912bf05f865f7368d8607a9505354a7929e461dc066ca140a5063bcd2

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
Signaturexwb3N4wl7Q0PPAZ5HuLo1uS0Cw8AmGujVoKcxESNxoEh0lFgtGZlimum3kmsPiHey8CMT0hdZPqBae0sS4uPCw==
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

2026-09-17T09:59:08.094162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082278
observed f993e471fa21bb1ac4ab1fa64c61069c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:08.077106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082278/manifest.json
observed 1a22ea3912bf05f865f7368d8607a950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:08.059931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082278/publication.md
observed 072236daed1f5e71b602b8d8ac0836c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:08.042919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082278/publication.txt
observed 751fd5566e25782f375eb70ca9d111de...
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.