OpenTechnical

OT-2026-000054524

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000054524) never changes.

Identity and time

Publication numberOT-2026-000054524 · never reused
Internal UUID01a0ae86-1283-77cf-b39c-450751c3c72f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054524
StatusPUBLIC

Content hashes

Canonical text04e1d64046d41cf9d43194a45a2e57460a1293f547319623bc0840249222f45f
Markdown20ecfd2c2cabee8f57eeb5721c88ee03cc6501943090daa824695534be8edf68
PDF
Publication page19d917d61126869198393bbff7f890b4c1560a67c54acc224ea6fafa4906d644
Manifest3324b6f41b12127b7eed0990fac7a38a3af00a2e31ee4d66426b9ebddc8a1e06

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
Signaturehv7XoCtVuOPR4cEjz+fRZG766cGhNoTOEIeqGdwXx9DiL3JEvDHMvvbj9MbkYhNkf/EChQUaHTBTSAFQHa4ECw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:32.163366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054524
observed 19d917d61126869198393bbff7f890b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:32.143575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054524/manifest.json
observed 3324b6f41b12127b7eed0990fac7a38a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:32.120942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054524/publication.md
observed 20ecfd2c2cabee8f57eeb5721c88ee03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:32.102653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054524/publication.txt
observed 04e1d64046d41cf9d43194a45a2e5746...
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.