OpenTechnical

OT-2026-000058503

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000058503) never changes.

Identity and time

Publication numberOT-2026-000058503 · never reused
Internal UUID01a0ae88-f39b-76c7-87e8-febe86780376 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058503
StatusPUBLIC

Content hashes

Canonical text53b142074a07dce97de2dc6cb3e5b8366c4ede06cce3e8f750af1370929fb719
Markdown07a3e22b0f8b5d531d079213c753363d01d8ca9f8c6e9b43ad29a0763018fd00
PDF
Publication pageb4d02a9acdfd37454819452e8daa7660cabf6b10e1bee653dd09309240549917
Manifestc9db52a143add12e7d7ee9fc0a3a8b1e8300445f710c1dcd4b167535dcabe9c9

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
SignatureoKGQbssbShG+gSeOsE2XQFzZcoB7CC9WcEQeh4rrFE8BoAM5rS4eCz7SSJ6l/omQYDT2uMXEQqOkNHB4hjI5BA==
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

2026-09-17T10:46:57.655146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058503
observed b4d02a9acdfd37454819452e8daa7660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:57.636376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058503/manifest.json
observed c9db52a143add12e7d7ee9fc0a3a8b1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:57.618490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058503/publication.md
observed 07a3e22b0f8b5d531d079213c753363d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:57.601553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058503/publication.txt
observed 53b142074a07dce97de2dc6cb3e5b836...
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.