OpenTechnical

OT-2026-000015042

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two 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-2026-000015042) never changes.

Identity and time

Publication numberOT-2026-000015042 · never reused
Internal UUID01a0ae6d-d096-716b-ba4b-dc55b4a1bcca · 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-2026-000015042
StatusPUBLIC

Content hashes

Canonical textca4272bb26feff0365e17af6f8b223ffbfced03f78db0e9e8b89db348f5693b1
Markdown579223eb23dddec3b4e375eacde522241cb1a20b74f224414303a7ab55d648dc
PDF
Publication pagea45aaf1dbd0d3e6fb93e4b825dbb325c725da03337d0e886ba87a6de5934af1d
Manifest70f1adbb67b87c8084edb1c43a31aa5c66dfb36e3e6acf5fd0de125c85edc7c6

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
Signaturel8UhE9vJVpH8512lnxlh3uMHp/FZg+lTWv6OspDZ1yQ8MYO6QKNZDgOuw5U/hhawMn75ZpG53KTD5qbD4bgKDg==
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

2026-09-17T12:07:01.484285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015042
observed a45aaf1dbd0d3e6fb93e4b825dbb325c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:01.465097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015042/manifest.json
observed 70f1adbb67b87c8084edb1c43a31aa5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:01.444098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015042/publication.md
observed 579223eb23dddec3b4e375eacde52224...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:01.425665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015042/publication.txt
observed ca4272bb26feff0365e17af6f8b223ff...
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.