OpenTechnical

OT-2026-000016715

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, 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-2026-000016715) never changes.

Identity and time

Publication numberOT-2026-000016715 · never reused
Internal UUID01a0ae6e-5918-7829-81d3-95b8155c1ffa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016715
StatusPUBLIC

Content hashes

Canonical text9c9c4b720989d3414f32ec740a0a1fdaf35a747a0282ee98e205e273fc53b7fc
Markdown1ccda29234c34e4ce6046dfdec76992bc0d12f86c0339b629e13e17ebfa5cde6
PDF
Publication page59c22538a728eccdd1809459f775621aa501bf06b429863efc810080a31b8587
Manifest6c8b35f750e91e107ac297b4391ecbe44f2fa87d4be5af0bf730d3ed297d8bf7

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
SignatureOl3tZd2/ba0sRafdHAkHYhaV7I+KhSidxYMgIm44xpK3BysdH/IqNH46TLIAFx5V0t8TYy4mHh82TMhqycnyAw==
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

2026-09-17T12:02:56.483462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016715
observed 59c22538a728eccdd1809459f775621a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:56.466918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016715/manifest.json
observed 6c8b35f750e91e107ac297b4391ecbe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:56.449338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016715/publication.md
observed 1ccda29234c34e4ce6046dfdec76992b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:56.431376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016715/publication.txt
observed 9c9c4b720989d3414f32ec740a0a1fda...
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.