OpenTechnical

OT-2026-000019970

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump 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-2026-000019970) never changes.

Identity and time

Publication numberOT-2026-000019970 · never reused
Internal UUID01a0ae6f-1fb7-7dcb-a624-bc736abb7cfa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019970
StatusPUBLIC

Content hashes

Canonical text01434d1820b29c59d7cc0785b51dada03b1aa1aee36191046ff4d1ad14a3d862
Markdownb0c0ad1be8e971897d77b5d0915f97e9eece656c0420e70908b54b61c054ef7e
PDF
Publication page102f27981a837381b25ab4d55aa11831d5761b9080d6e2b4176c6a339ee42d39
Manifestfdf712228c8cd76537411b3b336a114f83af6216cab75f6bbae0a48471b92b5f

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
Signatureij1YGJuPLHIvQzqiF6X36We6UvPfTj4t40VODlR8u5VB/JwWKNPcDt5G9101h1701B2vRzABTM5ShD48jgYICA==
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

2026-09-17T11:58:12.368542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019970
observed 102f27981a837381b25ab4d55aa11831...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:12.350011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019970/manifest.json
observed fdf712228c8cd76537411b3b336a114f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:12.330257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019970/publication.md
observed b0c0ad1be8e971897d77b5d0915f97e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:12.311788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019970/publication.txt
observed 01434d1820b29c59d7cc0785b51dada0...
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.