OpenTechnical

OT-2026-000049532

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, 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-2026-000049532) never changes.

Identity and time

Publication numberOT-2026-000049532 · never reused
Internal UUID01a0ae81-8f7c-7557-9c62-105ed1c3a5ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049532
StatusPUBLIC

Content hashes

Canonical text99d869d42f8bfa42e558e285e5a05d3b68d480235160b4b4667f8e55d34b0c3e
Markdownd210a716126b3adc44928b2e0288dc0a895d8bd3994618466f8465772660e029
PDF
Publication pageaa8033d3944de957554ab5a13bb09840b83dc3276eedce89fec8989110a6d032
Manifest81b4f136b39e1309981ed5f100d05e08e571c71784dc85cec3b1755fa26fa51a

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
Signatureb1xD1MHI0s25rTvXkwjbkR49q1T9tG/UlcjE4fol2hzGK4dqNiwJuvlSWx5fDeusiGX6EBqqBYdelHpu2tfDCw==
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

2026-09-17T11:02:23.713178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049532
observed aa8033d3944de957554ab5a13bb09840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:23.694963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049532/manifest.json
observed 81b4f136b39e1309981ed5f100d05e08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:23.677188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049532/publication.md
observed d210a716126b3adc44928b2e0288dc0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:23.660734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049532/publication.txt
observed 99d869d42f8bfa42e558e285e5a05d3b...
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.