OpenTechnical

OT-2026-000054906

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000054906) never changes.

Identity and time

Publication numberOT-2026-000054906 · never reused
Internal UUID01a0ae86-1286-7ff4-ac54-e375428f98c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054906
StatusPUBLIC

Content hashes

Canonical text010d7db26b9285875bf71d5fd1c035c05c50e67fce134bd0ac337a3c8358de67
Markdown847542d89827bfcefee205e0f4ea564fa7abce8b8bcf9074b8e0ba7216cf1db6
PDF
Publication pageba90d0b23b8ed25c7b48b488b23ebeb4532b868bfd8ded643024864541b6fee2
Manifestade8ca7ef181b9bffa9912df9e07fd7708fa8c723c3880ffddd5b6f1803ab7ba

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
Signature03nDVla4EDtfxgZDCIEHMUahn5ru8vVHHqC9UPPx14Gbke9oOUj2OwcC74ABYDcstfVNNojlXj14iU4FYSDqDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:08.243578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054906
observed ba90d0b23b8ed25c7b48b488b23ebeb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:08.225302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054906/manifest.json
observed ade8ca7ef181b9bffa9912df9e07fd77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:08.208470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054906/publication.md
observed 847542d89827bfcefee205e0f4ea564f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:08.191603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054906/publication.txt
observed 010d7db26b9285875bf71d5fd1c035c0...
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.