OpenTechnical

OT-2026-000047581

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000047581) never changes.

Identity and time

Publication numberOT-2026-000047581 · never reused
Internal UUID01a0ae7f-3e59-7b08-bae3-767a93e2440f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047581
StatusPUBLIC

Content hashes

Canonical text224c97a8a2c5373e1f534b529f83e61979ec3a1cc48bff85fcba5c84f61464c2
Markdown0a8c602b805b5e16269ce9390561fa94b54e2152d3e97ec164a7988c192bff59
PDF
Publication page73dcb18ebf6e1697ef6229881680f4a24aa5e4aceef642575ca104ca09a2b13c
Manifest89e6333892ee708aaed95e4b58c7be03f51c5f4c93c7ad334f7eae7015279612

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
SignatureTL9UQyb846J4JmmX32zhBjpZgbj8gZGzZtpfGNBfUQWLI+LFYlaVD8FjaLOJKNXN1zzWvs9K+rVMqHAu0sVlBQ==
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

2026-09-17T11:06:42.686783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047581
observed 73dcb18ebf6e1697ef6229881680f4a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:42.669434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047581/manifest.json
observed 89e6333892ee708aaed95e4b58c7be03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:42.652881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047581/publication.md
observed 0a8c602b805b5e16269ce9390561fa94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:42.635908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047581/publication.txt
observed 224c97a8a2c5373e1f534b529f83e619...
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.