OpenTechnical

OT-2026-000050002

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000050002) never changes.

Identity and time

Publication numberOT-2026-000050002 · never reused
Internal UUID01a0ae81-fd78-7a59-b308-fc8ea70849a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050002
StatusPUBLIC

Content hashes

Canonical text420f6cdff81017a533db79583d1e23cc9a3ea1fc9d0402b5e13073e655e5a4dd
Markdown8099f87b9fa851ea7d3a00685a10f5c8887ea02ed9f5ee9c7ba9790a66b9d43d
PDF
Publication page779cb1161d7478d963e12fde83f0563eb67bef6d96c387d10b0223e14459d4c9
Manifest4c387cccf32b65feca268ee8c0914b3298ed6091795ad5bc23ed87f829e0cb8f

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
SignaturexX7C81hm8MgnzSxZZqKSjR5tVNjsRILtmxvC2EUlPpl7z2Tcady8Yh0y2LZyvMZORX198y5uIpZwi/XTu3mrDA==
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

2026-09-17T11:01:57.696044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050002
observed 779cb1161d7478d963e12fde83f0563e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:57.678569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050002/manifest.json
observed 4c387cccf32b65feca268ee8c0914b32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:57.660836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050002/publication.md
observed 8099f87b9fa851ea7d3a00685a10f5c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:57.641358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050002/publication.txt
observed 420f6cdff81017a533db79583d1e23cc...
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.