OpenTechnical

OT-2026-000043536

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, pulsed blow-off after set-down

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-2026-000043536) never changes.

Identity and time

Publication numberOT-2026-000043536 · never reused
Internal UUID01a0ae7b-92cf-73a8-90fd-5eb0a454b94a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043536
StatusPUBLIC

Content hashes

Canonical textef9da4413940c686ef23fb1ad2c2838a08a254f5c0aeafc5a3aed1be79242f6f
Markdown0e1f4eb2b97a1d3d2e63bb307f72a919c5d29c0effae26f6408d6ce108778269
PDF
Publication pageb0eed1b1c8128f0392455150e094773b75c77ce21b90360175778e5406b65dcd
Manifest1d1f2b0011b88a30ea19188b4680dcb43a38cf659a0c2ed1a425a5b5e66cb747

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
Signature0ILGKTUrUszOcjCd0HkrltrYgxK8ocG14OxVgEyB5NvwWqgmtWfh6lTr0nUZW67HcDiQQadpVHW9DQC3GH8nCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:55.023209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043536
observed b0eed1b1c8128f0392455150e094773b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:55.004747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043536/manifest.json
observed 1d1f2b0011b88a30ea19188b4680dcb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:54.985722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043536/publication.md
observed 0e1f4eb2b97a1d3d2e63bb307f72a919...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:54.966130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043536/publication.txt
observed ef9da4413940c686ef23fb1ad2c2838a...
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.