OpenTechnical

OT-2026-000085625

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum 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-2026-000085625) never changes.

Identity and time

Publication numberOT-2026-000085625 · never reused
Internal UUID01a0ae99-aaad-7dcd-a552-77e02502f08f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085625
StatusPUBLIC

Content hashes

Canonical text9a3e381cfa7cc71b8ef56c2a664ca54d5eef432e49ed6440dd9b7aab46c7cc7d
Markdowneac33190a369313c7ae366148c14ffc039dee68ca4b83def87377da7d9d0dc06
PDF
Publication pagea61594d5fbb6c554e489855b1fb63fbb5a843610176c1e56ed36d0209a360e9a
Manifestdd140f70deee5ca1c1d9e8db8510a80a5b7d4253530132d8dcd3a9dda71a5a59

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
SignatureULkC1bp+mcyUBbq687GxvNbpUPBkXTPtKRyj0Xa1T1bA/kS0sGmUgmIUU95NbUDAsmtCEVJHitVmra4W5sI+Aw==
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

2026-09-17T09:54:30.563969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085625
observed a61594d5fbb6c554e489855b1fb63fbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:30.546683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085625/manifest.json
observed dd140f70deee5ca1c1d9e8db8510a80a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:30.528394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085625/publication.md
observed eac33190a369313c7ae366148c14ffc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:30.510255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085625/publication.txt
observed 9a3e381cfa7cc71b8ef56c2a664ca54d...
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.