OpenTechnical

OT-2026-000032883

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000032883) never changes.

Identity and time

Publication numberOT-2026-000032883 · never reused
Internal UUID01a0ae75-4842-7b0c-aa06-b8df06beb5b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032883
StatusPUBLIC

Content hashes

Canonical text8236b07052e2615e3bc5527f12b5509acaef6ccb0dabced848d68406290219dc
Markdown8282235e51da19c2254fa2ca831610e8051054bfbdba8cfdf9c8fe2bfb395bf4
PDF
Publication pagee80e6615b5ec411858eccbb5a950b651f4e64745d5c826518468e296ac8622ea
Manifestf6e8d0b5de6c471afbb3c7644893ff6447961b1eecaee3b6f083a1e49a867ff4

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
SignatureWZRW4CeJXiYC25GS5OI+/7JoO+yWtonE5H1XY8RD0iK64aG8PtfVTGkI58MaBiFAH5GL13Xs/FIGtUytP0JwDw==
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

2026-09-17T11:32:27.916566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032883
observed e80e6615b5ec411858eccbb5a950b651...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:27.900265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032883/manifest.json
observed f6e8d0b5de6c471afbb3c7644893ff64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:27.880032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032883/publication.md
observed 8282235e51da19c2254fa2ca831610e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:27.861532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032883/publication.txt
observed 8236b07052e2615e3bc5527f12b5509a...
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.