OpenTechnical

OT-2026-000102984

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000102984) never changes.

Identity and time

Publication numberOT-2026-000102984 · never reused
Internal UUID01a0aea4-be3d-7901-863a-525296622ae5 · 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-2026-000102984
StatusPUBLIC

Content hashes

Canonical text7d372034a11f0d435938abc9335f24c28c42dded3222e3d70440b263997bd067
Markdown5cd3b3284c034320d22a4ac3c14557f61658538f74f9f971ca0d8cb5474fe18c
PDF
Publication page1d22b3a8ca99beb276be3a971c376c48779295ebe6f3b4cac4b988c982c95c59
Manifest2069f451257c6c024374ced9e29a49bb20fbc109efd2b6e31a4a15ca11a7b859

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
SignatureBWmzk8+1HQ4B7foQdllh3dL9uFY71yY7X6sVc0cOP3oveASow5ZsV2/zSk10FmvpsDQEJyBbfRy4LMdlMTDYCg==
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

2026-09-17T09:23:05.787087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102984
observed 1d22b3a8ca99beb276be3a971c376c48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:05.766140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102984/manifest.json
observed 2069f451257c6c024374ced9e29a49bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:05.749375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102984/publication.md
observed 5cd3b3284c034320d22a4ac3c14557f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:05.730299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102984/publication.txt
observed 7d372034a11f0d435938abc9335f24c2...
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.