OpenTechnical

OT-2026-000047649

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000047649) never changes.

Identity and time

Publication numberOT-2026-000047649 · never reused
Internal UUID01a0ae7f-c41e-7eaf-a715-10409e818a61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047649
StatusPUBLIC

Content hashes

Canonical text47b9291e88dd95cdc45f5b126678858d46e642482d0138893309c8acb7fca3a2
Markdown4e429033a35b5448cd7afe66295b793590ce8ec26f15f5f05452ce31a3eb1b98
PDF
Publication page26813c2fbd931f617fb7ce27bbcaa07d789efa89e958123fba71d9740c716a2a
Manifest86d23cfbf0c546f1aeafe6eaa584988f5306915b7a0074d589c0e52d1f1200fb

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
SignatureVWFGQ64QB62amhpLJa29xzTqVrm0t64eyyZTYxpPAzFCbEE3gdzKwB6idbwYCc/3IcyIjcocNrdHf89DKyh3DQ==
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

2026-09-17T11:05:29.008218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047649
observed 26813c2fbd931f617fb7ce27bbcaa07d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:28.989555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047649/manifest.json
observed 86d23cfbf0c546f1aeafe6eaa584988f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:28.969336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047649/publication.md
observed 4e429033a35b5448cd7afe66295b7935...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:28.949705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047649/publication.txt
observed 47b9291e88dd95cdc45f5b126678858d...
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.