OpenTechnical

OT-2026-000102730

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000102730) never changes.

Identity and time

Publication numberOT-2026-000102730 · never reused
Internal UUID01a0aea4-858c-79da-bcbf-a6d5b94d94ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102730
StatusPUBLIC

Content hashes

Canonical texte5494cd222703e537e5d8da2a9aa8c57889dc47afd05e57283c65abc3ce7dfde
Markdown02c8c2e7e4a6c7e1c5e0c935473c51324b5fca234a5c9c4db5b92632d887e185
PDF
Publication pagebc0a476e9e13b09752c3a0f02dfacdaaedd40e6aef768863a86778106f630f8c
Manifestea1f6a43d893d1d56264b713806bb82e2c0e27301eabe73dda50480c38d4fd7e

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
SignatureB+xO8jV+imdNmt1b0YtYYLldpMx0qzLDPH+NhSsGUvCnjG7CuQSK+X72YP5xleKs3CesI30urMYHt05pPipzAg==
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

2026-09-17T09:24:14.832859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102730
observed bc0a476e9e13b09752c3a0f02dfacdaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:14.813591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102730/manifest.json
observed ea1f6a43d893d1d56264b713806bb82e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:14.795957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102730/publication.md
observed 02c8c2e7e4a6c7e1c5e0c935473c5132...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:14.776877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102730/publication.txt
observed e5494cd222703e537e5d8da2a9aa8c57...
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.