OpenTechnical

OT-2026-000055343

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, 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-2026-000055343) never changes.

Identity and time

Publication numberOT-2026-000055343 · never reused
Internal UUID01a0ae86-a100-721b-b200-7ebd35b86a22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055343
StatusPUBLIC

Content hashes

Canonical text4abb15158c1d917acf65074de0c59d1719fb5c0ce57ce6c72a22d3612212a3d9
Markdown35e08e0ae33cc1d15226443c66d3a9bd8b76c51fc43e5a61988f31f86ab805be
PDF
Publication page7375c115661349e2b73fbdb3f89fe170fe1cd586def3da2c43b7786b315dc5b0
Manifestd26d4a95562dc29c0e4f41d2f78fb35820d872ecdc6613cf4db4bf1ad8928efa

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
Signature/PF993nO6Eal+obtqx/CDYNnTT3reMI6jxUZqGsE5R8hkIvybsLSPAixYBj4phwPU6c5PbWvA9J1tK+BrF+jAA==
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

2026-09-17T10:51:58.018008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055343
observed 7375c115661349e2b73fbdb3f89fe170...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:57.998620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055343/manifest.json
observed d26d4a95562dc29c0e4f41d2f78fb358...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:57.980118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055343/publication.md
observed 35e08e0ae33cc1d15226443c66d3a9bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:57.962881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055343/publication.txt
observed 4abb15158c1d917acf65074de0c59d17...
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.