OpenTechnical

OT-2026-000058207

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000058207) never changes.

Identity and time

Publication numberOT-2026-000058207 · never reused
Internal UUID01a0ae88-6edb-7cb4-b22d-f8af589fbead · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058207
StatusPUBLIC

Content hashes

Canonical textaebedb6537f74f14927de59a32c3e45ba3d50a051a9b711e459ecc8d0f7eab4d
Markdowna2a6225981d0b34219413b8b4db10fb4562d1526f1594641a15cb2ff28d22ccb
PDF
Publication pagee310954353d31035a65e1f111338772ea751212d3e54009cbc3e5963bd71004f
Manifest6c7a867e79fe5241c8528d3ff6162867b2b6d144c7bfef089cdf24fdc0991d67

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
SignatureeYvOHF+v18pFVDymX63xs8/686PGFN+i1cKzIfQT04pP9Ton/sVFx7vX3rhnRWpfzRm6xvaEfB6Qqj4z7DPDDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:54.922149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058207
observed e310954353d31035a65e1f111338772e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:54.904730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058207/manifest.json
observed 6c7a867e79fe5241c8528d3ff6162867...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:54.885437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058207/publication.md
observed a2a6225981d0b34219413b8b4db10fb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:54.864774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058207/publication.txt
observed aebedb6537f74f14927de59a32c3e45b...
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.