OpenTechnical

OT-2026-000038235

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000038235) never changes.

Identity and time

Publication numberOT-2026-000038235 · never reused
Internal UUID01a0ae78-2d51-7b84-afd6-daf23bf3e2c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038235
StatusPUBLIC

Content hashes

Canonical text964cc55a8491c9a6f614f94019465e0c07ce94ad81848f65243faab732b00417
Markdown158fceb44813c0cac67762078f5e580cdfd4c5e0e66b4fde153399911634630c
PDF
Publication page90808e7428101819084b7531005b5b320a756972d44cb19d5bbad8d8cb61b774
Manifest28d1a4f4a9a8e2b771685dc9ed6e656229d29cb4ad5a01416d671f7c049709ab

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
SignatureZiuxGVVZHsM9fiNPjAuznpL6EwjUpk/Xzp1qa7AhR+bXYwecyS1PyrvItRluUnj3FqUfHCXrvdG5VebSe4jYDQ==
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

2026-09-17T11:22:22.969692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038235
observed 90808e7428101819084b7531005b5b32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:22.951067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038235/manifest.json
observed 28d1a4f4a9a8e2b771685dc9ed6e6562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:22.932684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038235/publication.md
observed 158fceb44813c0cac67762078f5e580c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:22.914489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038235/publication.txt
observed 964cc55a8491c9a6f614f94019465e0c...
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.