OpenTechnical

OT-2026-000049998

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold 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-2026-000049998) never changes.

Identity and time

Publication numberOT-2026-000049998 · never reused
Internal UUID01a0ae81-fd78-7cdc-9a53-37c0486ebf8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049998
StatusPUBLIC

Content hashes

Canonical texteeac827bbecd8e5ccfe1d660479b3e3ce9ca1c025cb342064f37d39422669493
Markdown70a9c8e7849bad658be80fc190ca2208e5b050806549edbcada15cf77a04dbd7
PDF
Publication page0ac4b93c714849800b82d2a16d5cb7b3cd2854c9e29599c35ad113d1b1b1b166
Manifeste65ed5a5bba0fbd0fe4a5232d959b4ef71bb51a001b0e039811f372a1d0e00e2

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
SignaturepoRrasA2EPFs8dbhio4XlaoYqCq+ID7htjNq9uCuoSsBacbF1nzaPV8jwhMzYPwLNXgZQw3xnWSgiYD09ymBDQ==
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

2026-09-17T11:01:57.351724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049998
observed 0ac4b93c714849800b82d2a16d5cb7b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:57.333209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049998/manifest.json
observed e65ed5a5bba0fbd0fe4a5232d959b4ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:57.312509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049998/publication.md
observed 70a9c8e7849bad658be80fc190ca2208...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:57.293586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049998/publication.txt
observed eeac827bbecd8e5ccfe1d660479b3e3c...
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.