OpenTechnical

OT-2026-000049005

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000049005) never changes.

Identity and time

Publication numberOT-2026-000049005 · never reused
Internal UUID01a0ae81-134c-72b6-a5d1-f7a7881b3f7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049005
StatusPUBLIC

Content hashes

Canonical text3c53b0d5663768ba74e511e8a31e1174b139a7188bd0076ac78929b5e800a4a6
Markdownb931fada0adaa3af1fe6ab6d73d2476b063ca28c71c73811851c3706dbef1296
PDF
Publication page08fa09ba86c2ba8bfa1e721f49d0f7f59b9d32b8127778b5b8ab77e5bc645246
Manifest489fdbb825ce40cf3a9b9fd04453fa532e1cba9d266725909882b3e27a8fff15

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
Signature+1W6TGY2TJB8TNYnrroo3xXzr8CR2c7rZaOPBsPh7YXwSVD4RODKKEOeGSR/kh/ZXfcV6E3Hm3CakqG34/AYBw==
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

2026-09-17T11:03:13.037692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049005
observed 08fa09ba86c2ba8bfa1e721f49d0f7f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:13.018107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049005/manifest.json
observed 489fdbb825ce40cf3a9b9fd04453fa53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:12.998836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049005/publication.md
observed b931fada0adaa3af1fe6ab6d73d2476b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:12.981275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049005/publication.txt
observed 3c53b0d5663768ba74e511e8a31e1174...
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.