OpenTechnical

OT-2026-000029316

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained blow-off before set-down

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-2026-000029316) never changes.

Identity and time

Publication numberOT-2026-000029316 · never reused
Internal UUID01a0ae73-2aa1-7c78-bdc5-3b0171d1f49c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029316
StatusPUBLIC

Content hashes

Canonical text5077cbb014d0006605f9c8790bceb3f74b6694715d20580d1947f447caa38b87
Markdown578b312965f39c0afb1a7a8298567d06ffc8119d8e11af599a2c94e13ae679c2
PDF
Publication page70e189853dcf1550caab0436f49479ae005a4f1d773f0b806a143f72f8971ef8
Manifestc4536b7c63bf47efd4f9d33bf2a63f31202b3d52e0fd0f65f5ddc81c903a005e

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
Signature3RbDzgUP7WueCQ0vfmUP7KbPt10QLxzu7ev5HdU0BXNgL+6tl1zGaGgA1fNsroc4hE8UqjV4+fq5unO9qKpsDw==
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

2026-09-17T11:39:57.541354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029316
observed 70e189853dcf1550caab0436f49479ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:57.525083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029316/manifest.json
observed c4536b7c63bf47efd4f9d33bf2a63f31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:57.507679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029316/publication.md
observed 578b312965f39c0afb1a7a8298567d06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:57.489667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029316/publication.txt
observed 5077cbb014d0006605f9c8790bceb3f7...
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.