OpenTechnical

OT-2026-000085079

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, 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-2026-000085079) never changes.

Identity and time

Publication numberOT-2026-000085079 · never reused
Internal UUID01a0ae99-43b8-7bad-8283-0240c941ecc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085079
StatusPUBLIC

Content hashes

Canonical text043d8ab846aa8ffd37b8e815e1f9f033cccc1fe130d982fdfa5ecd6c0a2f732d
Markdownbe32f5f266cc0b383ff623f400c68d19e374b90fa2e0c7163ca2ad3222ee5546
PDF
Publication page66a316da2ec141a14ddb49ecc8ebc795725ccd1b879564a6083e1817666e47ee
Manifestb1b2540d31ee395cd9f3a00d942db2bae3eff55c58b18cd4781cebefaeb710ca

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
Signaturex4iHc1JidDaBFlsysm1SJQZAdrCUiVhVT/PdhegT5b/UqYCodb8I6FKeFd9yiPjrXF8QKuiYp3N9Arut5txZDw==
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

2026-09-17T09:55:08.367906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085079
observed 66a316da2ec141a14ddb49ecc8ebc795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:08.349472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085079/manifest.json
observed b1b2540d31ee395cd9f3a00d942db2ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:08.331025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085079/publication.md
observed be32f5f266cc0b383ff623f400c68d19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:08.313276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085079/publication.txt
observed 043d8ab846aa8ffd37b8e815e1f9f033...
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.