OpenTechnical

OT-2026-000024549

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000024549) never changes.

Identity and time

Publication numberOT-2026-000024549 · never reused
Internal UUID01a0ae70-e8cc-7153-a549-cf8ad610f843 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024549
StatusPUBLIC

Content hashes

Canonical text3b1d56c4dcf8f1b799910ff87c77f959e09fe7b0ceb3338f7b508e8ac34d0666
Markdown09e37574792c03f6a280e5c0cc841a34d45c607cff95d38d0a6aa540a6ea23ce
PDF
Publication pageb786267f54f10d32588a2c4aa2c883cf71385903937a09436b589b3086687528
Manifest4384286459cd0ec8014184b9ce01334eefa18a830dc7821b4f6af91ab83365c1

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
SignatureNfPf60SGdN9JGoiQAhHqaYaQuLtB86ffaL7LT3c8XPOS9tC3HAR+nsep7CZyPTZskt1rxpV3XhRjLAqyOde4AA==
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

2026-09-17T11:50:41.247139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024549
observed b786267f54f10d32588a2c4aa2c883cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:41.223562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024549/manifest.json
observed 4384286459cd0ec8014184b9ce01334e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:41.199492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024549/publication.md
observed 09e37574792c03f6a280e5c0cc841a34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:41.166026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024549/publication.txt
observed 3b1d56c4dcf8f1b799910ff87c77f959...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:43.957990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024549
observed b786267f54f10d32588a2c4aa2c883cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:43.940039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024549/manifest.json
observed 4384286459cd0ec8014184b9ce01334e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:43.923802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024549/publication.md
observed 09e37574792c03f6a280e5c0cc841a34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:43.906966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024549/publication.txt
observed 3b1d56c4dcf8f1b799910ff87c77f959...
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.