OpenTechnical

OT-2026-000032577

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, pulsed blow-off after 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-2026-000032577) never changes.

Identity and time

Publication numberOT-2026-000032577 · never reused
Internal UUID01a0ae75-106f-7034-ac6b-59758f3a94a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032577
StatusPUBLIC

Content hashes

Canonical textb0afe3a93cf5c07c6620ab716193cb505825fac8a2a99e1f828af0181ac5efd6
Markdown1eb34a20c58825460c9c6f1b3f28ec26be26817e6b52e2b65ca01f1588908679
PDF
Publication page6bee314bdff1618c86b3049346a1d83de2ce561d87e520ebd5acfeafb70e54e7
Manifestf054ff6f3f994419abdbf11a7131f4e0e63e5062cb033dcbdce794c338530547

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
SignatureksUEzuFJ3DxAaOY8OzQJtYJSZUD87JL1KhHQQUPG+97kgZiAqL+AP/EixRJ7XpV2u2YOK6xtK5TirFp7BaY3Dg==
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

2026-09-17T11:34:09.126044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032577
observed 6bee314bdff1618c86b3049346a1d83d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:09.108946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032577/manifest.json
observed f054ff6f3f994419abdbf11a7131f4e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:09.090208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032577/publication.md
observed 1eb34a20c58825460c9c6f1b3f28ec26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:09.071598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032577/publication.txt
observed b0afe3a93cf5c07c6620ab716193cb50...
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.