OpenTechnical

OT-2026-000008157

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000008157) never changes.

Identity and time

Publication numberOT-2026-000008157 · never reused
Internal UUID01a0ae6a-908c-7bc1-b84a-fbc6705f82df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008157
StatusPUBLIC

Content hashes

Canonical text96220fe7959893320216762fb2986da1fece5ab846e164d04279b664810126cb
Markdownde5eb9d40a0d0501fec51ca6673b7f49cb3cf382247dcac48c5621fc3a79fa6a
PDF
Publication page59e0749068735a7b329d458e1dc604efae61cf76bf36a6051bb798053f44a6c5
Manifest2d2e5f72d74a9ad9c437a3fd20f6bba64a93d48db6a352e98aed92284c2ce6f9

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
Signature4eUJQGtli2zAt/eI2VgHZOht4BUm/JUFXty8FIzRMlX+i8qLWWqwa7vSWYuKebVMhOHd8I/qyY+ULAw4JgYDAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:31.006022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008157
observed 59e0749068735a7b329d458e1dc604ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:30.987766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008157/manifest.json
observed 2d2e5f72d74a9ad9c437a3fd20f6bba6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:30.966311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008157/publication.md
observed de5eb9d40a0d0501fec51ca6673b7f49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:30.945330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008157/publication.txt
observed 96220fe7959893320216762fb2986da1...
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.