OpenTechnical

OT-2026-000025271

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, pulsed blow-off before 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-2026-000025271) never changes.

Identity and time

Publication numberOT-2026-000025271 · never reused
Internal UUID01a0ae71-5fa6-7d21-ba14-09b55379d094 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025271
StatusPUBLIC

Content hashes

Canonical text06d1762a16926f71764f663a4372cd7a39c737dcb8d7a7ffc8694845c2b8f36f
Markdown0abdb88a3cd97427fbcee888a162c5d4d2f9bd8d76b1e1c0dc58b5de13829dd8
PDF
Publication page8c891bc7df1b57485afb7beb58f8d65048033e1cc218ce11e7a7f7a0dce943ab
Manifest9a4ded3bf04226769246ead06aea1a856d7e1474e3589b99e1befc8ca28f0341

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
SignatureBBwEJMZ2k4xgJh1iZ57gN0tiV5oWIS7Knpk1a4OPCDOfnfzGFEERFR4V/eAmIaU32sLLyjh5Ny5bcDaZwfbbAg==
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

2026-09-17T11:47:16.798801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025271
observed 8c891bc7df1b57485afb7beb58f8d650...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:16.779893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025271/manifest.json
observed 9a4ded3bf04226769246ead06aea1a85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:16.760268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025271/publication.md
observed 0abdb88a3cd97427fbcee888a162c5d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:16.742698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025271/publication.txt
observed 06d1762a16926f71764f663a4372cd7a...
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.