OpenTechnical

OT-2026-000038547

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000038547) never changes.

Identity and time

Publication numberOT-2026-000038547 · never reused
Internal UUID01a0ae78-2d53-7b10-a175-6d84f0d2b859 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038547
StatusPUBLIC

Content hashes

Canonical text76c0e975746f359f74a5e3b3b7677d5813aa4332dbc2a39eb5f58970bc19b986
Markdown521b9658c0ef09f6d56e4de5ea2862b8ead25b713c966e19fc0eb22a10a84a49
PDF
Publication page091a7b96bbb19800a51016573e0b18095b3638788712c20a263852b3ac23a1ef
Manifesta644146142e5748f79e30e046e8523432eb6350e57653597b93e500826a6a2af

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
Signature/0CMdDKJDZAN9l43OjMN9X0a3cjsiz3QWB9NSrxv1BzbT6HbYulAU2bMuCNIElGQOp5masSFlhBiccJ/RV7AAg==
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

2026-09-17T11:22:48.581329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038547
observed 091a7b96bbb19800a51016573e0b1809...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:48.562546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038547/manifest.json
observed a644146142e5748f79e30e046e852343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:48.544926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038547/publication.md
observed 521b9658c0ef09f6d56e4de5ea2862b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:48.526364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038547/publication.txt
observed 76c0e975746f359f74a5e3b3b7677d58...
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.