OpenTechnical

OT-2026-000021176

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000021176) never changes.

Identity and time

Publication numberOT-2026-000021176 · never reused
Internal UUID01a0ae6f-865b-78a0-9e0e-077f554493c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021176
StatusPUBLIC

Content hashes

Canonical text1fec788bd798dd2b8ce38d9e11c215da75c5951a5dd20ae4df6246df26c3e5bc
Markdown25428adcc3c07194c845f6d905e107dbd785e09ab0fd5e16c6b78a5cba8f71f7
PDF
Publication page081dd38fa32dba7853d9d15f803f4dd58819f184e6dfc6db581b12a0531a7164
Manifestcca17b864168b4f3b3440c6e20544fd6628ded8072af8b43fc3e46fd3c19d526

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
SignatureLSH1AgrbS1ayGSBfYkDH9cROAW4y025NYyQbkWqfBcKUM/8mjv5w7iIRWTTn1amaQjDI+AGG7bw3TCNElDAYDA==
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

2026-09-17T11:54:57.444705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021176
observed 081dd38fa32dba7853d9d15f803f4dd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:57.425276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021176/manifest.json
observed cca17b864168b4f3b3440c6e20544fd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:57.405995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021176/publication.md
observed 25428adcc3c07194c845f6d905e107db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:57.384582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021176/publication.txt
observed 1fec788bd798dd2b8ce38d9e11c215da...
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.