OpenTechnical

OT-2026-000038929

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000038929) never changes.

Identity and time

Publication numberOT-2026-000038929 · never reused
Internal UUID01a0ae78-769f-7f41-b40a-fdb7563f0880 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038929
StatusPUBLIC

Content hashes

Canonical textdfcbc607771a2c3e23969c55033b7dd43b0d5d218e6574e7000ffbbfec61fc8f
Markdown5b14cdf655993054e3c4435811e13d72ade7cbb6055cf65824d2fbb0eb65891a
PDF
Publication pagef88c5e23701b5c03ba3849676451072835ff7f76214c99c3428844ce556babd8
Manifest6746c83ee99dbdc31d2031259a0973c8ffec008495e26ff3425de4171b046ade

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
SignatureyQwnA89bxF5f7CfdaIz31jY0WJgu6n54PPKd0sYXZ8FNmfW5xRrCBP6CEapkSVihIpqbTXzOJQxpftrU17EQCA==
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

2026-09-17T11:22:11.661367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038929
observed f88c5e23701b5c03ba38496764510728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:11.641122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038929/manifest.json
observed 6746c83ee99dbdc31d2031259a0973c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:11.624603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038929/publication.md
observed 5b14cdf655993054e3c4435811e13d72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:11.605774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038929/publication.txt
observed dfcbc607771a2c3e23969c55033b7dd4...
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.