OpenTechnical

OT-2026-000099610

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000099610) never changes.

Identity and time

Publication numberOT-2026-000099610 · never reused
Internal UUID01a0aea2-c975-7939-aa59-f25b7bdcef3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099610
StatusPUBLIC

Content hashes

Canonical text72bd4318ba0fe6bd635911efe21a133a1640112a3f5af6b25054eb4618318ab8
Markdown3b285bb0ee545ecffbb61f43775d5a6cbba5d9ffcb88344abb3c513a775fb154
PDF
Publication page13fa1191cef2dcd0bcdff3bd5ed1c0e0024d96fbf97fbd8589368136d6214b8c
Manifestce84602c6f9642f3ad94849fb20af6bdeff651e4c4a0bf3839a290b102585700

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
SignatureqzGbN5JtQxZd992zE3n9ldpnRxU0X4+kLwHCfMyJqPZvJiYfZsHuKCMj8BGVT+9oGP7SdxgzKvTW3lFvel4iCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:32.363398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099610
observed 13fa1191cef2dcd0bcdff3bd5ed1c0e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:32.344963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099610/manifest.json
observed ce84602c6f9642f3ad94849fb20af6bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:32.328936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099610/publication.md
observed 3b285bb0ee545ecffbb61f43775d5a6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:32.310108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099610/publication.txt
observed 72bd4318ba0fe6bd635911efe21a133a...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent