OpenTechnical

OT-2026-000070842

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000070842) never changes.

Identity and time

Publication numberOT-2026-000070842 · never reused
Internal UUID01a0ae91-8c2d-7f6d-a64e-7eabac2ae60c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070842
StatusPUBLIC

Content hashes

Canonical textfdcba85df80b66b2865e3203ad56498dc80c37a34a49f4d8f5f0ef49c27509e3
Markdownac3a8bcf74d73fa81d0ebb27e99c4b1a357f66e60ad7b910bebe900bc3fd1963
PDF
Publication pageff87a6e20c69d7d97e0d0bd3555a8bd7cbf03186b512015e2bb5d74762dcbb00
Manifest85ad6688d0e910bfdb5bf5ff4a9c91a0b1a5617653db0bd7b8065aff2b110ed0

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
SignatureNXh0AH7CHCmB8mLLqvRoOxFaHv5Aa4+32nOi486S9qIpWfm+CvMNC5ts3xqGmQTxQjsQOUkpDEl/ItareDfPAw==
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

2026-09-17T10:25:38.530284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070842
observed ff87a6e20c69d7d97e0d0bd3555a8bd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:38.512212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070842/manifest.json
observed 85ad6688d0e910bfdb5bf5ff4a9c91a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:38.473325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070842/publication.md
observed ac3a8bcf74d73fa81d0ebb27e99c4b1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:38.433021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070842/publication.txt
observed fdcba85df80b66b2865e3203ad56498d...
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.