OpenTechnical

OT-2026-000102879

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pulsed blow-off 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-2026-000102879) never changes.

Identity and time

Publication numberOT-2026-000102879 · never reused
Internal UUID01a0aea4-be3c-7a46-8029-b22940adfbd6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102879
StatusPUBLIC

Content hashes

Canonical textb7e79f58046b454385ad2e25613ed5a3c859b0db8a7bc72ce9843f4a8d9f41dc
Markdownb5956232de7e06d20c371b0f8e3a871f78ba3587cc169eee49acc707baaa6ba5
PDF
Publication page80a84a958e04214d9d2cf4d7cf97613d7f3ecd8647092a2073ab989e7de0da7e
Manifestcbb04d10200c60e8fa7db33ad94bf91b75b9a1a0c7eb947b3f0d0fb79653fdf2

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
SignaturevzGFkyqJ1/cy7p228X78yFQdUfijPJ/jROhAcytoWfsnnrkbab3UjLaJ822HBlS3tkqgpn54uunYmNq9hqb1DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:53.233616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102879
observed 80a84a958e04214d9d2cf4d7cf97613d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:53.218719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102879/manifest.json
observed cbb04d10200c60e8fa7db33ad94bf91b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:53.201704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102879/publication.md
observed b5956232de7e06d20c371b0f8e3a871f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:53.185563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102879/publication.txt
observed b7e79f58046b454385ad2e25613ed5a3...
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.