OpenTechnical

OT-2026-000030200

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000030200) never changes.

Identity and time

Publication numberOT-2026-000030200 · never reused
Internal UUID01a0ae73-e500-781c-9f8c-fb78dd03dfee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030200
StatusPUBLIC

Content hashes

Canonical texte13284b8277ee7f443d9074cb414e6c07cfc0c0e582c17e9500a6ad217daaa02
Markdown1e43cd8dec53f78f01959a91ed6aeac9445a3843b1b0af2a761401df62064cbe
PDF
Publication paged1bf570ec75d7a1f517e0b4350b453527ae493b616ad14483a21b5f22311b585
Manifest645f3beaef2d419bb64ad5d32e39d3adde79dbac833e17fb6cdbdd3c6b9e3f6b

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
SignatureexJXLNIePhP6BS+po9oBOSj98tWtvHJ4+MjGL8sG//q2T5fG2w9q4uQA83IAKAGBlrf3/cFJHPgmGAy2A1yfAA==
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

2026-09-17T11:40:34.195240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030200
observed d1bf570ec75d7a1f517e0b4350b45352...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:34.176560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030200/manifest.json
observed 645f3beaef2d419bb64ad5d32e39d3ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:34.159871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030200/publication.md
observed 1e43cd8dec53f78f01959a91ed6aeac9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:34.141587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030200/publication.txt
observed e13284b8277ee7f443d9074cb414e6c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:50.554211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030200
observed d1bf570ec75d7a1f517e0b4350b45352...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:50.535959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030200/manifest.json
observed 645f3beaef2d419bb64ad5d32e39d3ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:50.517801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030200/publication.md
observed 1e43cd8dec53f78f01959a91ed6aeac9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:50.495675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030200/publication.txt
observed e13284b8277ee7f443d9074cb414e6c0...
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.