OpenTechnical

OT-2026-000020718

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000020718) never changes.

Identity and time

Publication numberOT-2026-000020718 · never reused
Internal UUID01a0ae6f-65e2-78a3-be09-b49c33e78607 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020718
StatusPUBLIC

Content hashes

Canonical textf805cfdc348beb7dd1d94da8c0f4588829ccb322057af1bd4b75830ad8980a4b
Markdown81f37b977946fd003c37235e3868282fa7697e7b23920fa8d8dae171a93910b2
PDF
Publication page5c87de7a2a40aa3cccbe495f5b5e67a04f3217f84df4c61bf794dd9e010f2073
Manifest5ed2e14d18aecd053b418a6db27ecd12d46b1607e00b7788159d5a1d7b40c605

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
SignatureVF29tGDtokpchbizp8f3HP/a9rwF5wd6OnsHb57lWBcDCvN8SeDYN0S3vPmjXakrEw12Gevd5/+iRBcHahfGCQ==
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

2026-09-17T11:55:46.414381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020718
observed 5c87de7a2a40aa3cccbe495f5b5e67a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:46.395619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020718/manifest.json
observed 5ed2e14d18aecd053b418a6db27ecd12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:46.376515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020718/publication.md
observed 81f37b977946fd003c37235e3868282f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:46.357146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020718/publication.txt
observed f805cfdc348beb7dd1d94da8c0f45888...
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.