OpenTechnical

OT-2026-000068890

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000068890) never changes.

Identity and time

Publication numberOT-2026-000068890 · never reused
Internal UUID01a0ae90-6dcc-7095-9aba-6ffc3d98534c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068890
StatusPUBLIC

Content hashes

Canonical text0b2412f7d98d8911e7c0b126fdf5ec1fe310e1a6cc2197adf89b919e9cccbfc6
Markdown7ae828a360a253e6201c37f6ac64550241a0a3734f33a20741b9700112713c29
PDF
Publication page1df755f389517b18bde400d8f3bd10189144e9542cebef9c7fe1261f640adad0
Manifestd894e674e6578ae92366c86a675ef9d474df9665aac9a6e943d9bbdad326e8f3

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
SignaturelP3ctDpjTkT+KdvLCuflMVTqvPihOyI/xMVk8RXglPKgM5GSfR7jFT2QpUJfJ+Lsve/YhwsWa2iob4yP8VI4DQ==
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

2026-09-17T10:28:42.542470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068890
observed 1df755f389517b18bde400d8f3bd1018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:42.524363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068890/manifest.json
observed d894e674e6578ae92366c86a675ef9d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:42.505756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068890/publication.md
observed 7ae828a360a253e6201c37f6ac645502...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:42.486901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068890/publication.txt
observed 0b2412f7d98d8911e7c0b126fdf5ec1f...
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.