OpenTechnical

OT-2026-000018830

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000018830) never changes.

Identity and time

Publication numberOT-2026-000018830 · never reused
Internal UUID01a0ae6e-d521-7f9e-ba50-103d392cb765 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018830
StatusPUBLIC

Content hashes

Canonical text49029274fcf1705dbcefc4f4e9e2a86752230624498122a4509bc08873c77fbf
Markdown0e53a845b638b8a2e32a540412364e2a6735adfb70e108b2e9cf656f2fdb26e5
PDF
Publication page849fbd891fc9685f12a422735314683b38626676fb458a1bd99f94ea70e74946
Manifest3eec22ce5ef0a1224a685dd0575ea5b49c30e151f34468fbc41e4e33e07aa93d

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
SignatureqmhHhwkmMnXkIykBxUV5PScuSZoMfCATsgFA9aFASN3rOURV13RRZuhiacXgKgnYkjdFpNJqB6uPHb37xtb5Aw==
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

2026-09-17T11:59:27.916531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018830
observed 849fbd891fc9685f12a422735314683b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:27.900038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018830/manifest.json
observed 3eec22ce5ef0a1224a685dd0575ea5b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:27.881645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018830/publication.md
observed 0e53a845b638b8a2e32a540412364e2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:27.863181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018830/publication.txt
observed 49029274fcf1705dbcefc4f4e9e2a867...
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.