OpenTechnical

OT-2026-000015018

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000015018) never changes.

Identity and time

Publication numberOT-2026-000015018 · never reused
Internal UUID01a0ae6d-d096-74e6-9f48-bbc6cf7c198f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015018
StatusPUBLIC

Content hashes

Canonical textb271a25b2e04d1f364346494ac804d2b7e76a6063434e0c0de28a0934ca52489
Markdownc520c969c344d1a196e432a9ea42dae2e5c1599b9ead2f696db1e67ef68829db
PDF
Publication page6dd1cfa3b2d1d6464d56081c61078db304aebc02e993528e5f46042d6479dafd
Manifeste4fbb6850761e6736bb9b38681c446856f1331a3ea619a9c032ac9905c2f4b3c

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
SignatureewVC7Z/iqeBb/iXviJ1aaLtouU+Cdf/GE+sIccUKxa0bpmM24UOf2vlWMPkVokSdDmejhzAkOYbOb9HjaWCSDw==
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

2026-09-17T12:06:59.471313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015018
observed 6dd1cfa3b2d1d6464d56081c61078db3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:59.451984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015018/manifest.json
observed e4fbb6850761e6736bb9b38681c44685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:59.431842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015018/publication.md
observed c520c969c344d1a196e432a9ea42dae2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:59.412045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015018/publication.txt
observed b271a25b2e04d1f364346494ac804d2b...
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.