OpenTechnical

OT-2026-000057482

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold 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-2026-000057482) never changes.

Identity and time

Publication numberOT-2026-000057482 · never reused
Internal UUID01a0ae88-2692-7396-8bdf-d9604497f5b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057482
StatusPUBLIC

Content hashes

Canonical texte69311f7a36b314573145652f8176f5387cfc64ea2936ecf2318ae54747f71f3
Markdownf02470e57c1e8398f0ca34b2d10a9aaedd23dbab696c46813db3e1401adf755c
PDF
Publication pagefde22b6b9297e1054678ebd016b55c688590baaa2a480986fb17b4c554d0209d
Manifest5915288e9c5a8aa9c2a4d6b612991ca64cd97eb62ffcd0d60a9f83b01be6e2d4

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
SignatureGanueVNMU06n7twKBlk3fe6qd7xjFine823rLQ4+ORU3JZd5wd6diMH260XAK2NQzDDn2dvnafk5+d4iHrVmCg==
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...

Independent retrieval

2026-09-17T10:48:00.227736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057482
observed fde22b6b9297e1054678ebd016b55c68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:00.211056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057482/manifest.json
observed 5915288e9c5a8aa9c2a4d6b612991ca6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:00.191222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057482/publication.md
observed f02470e57c1e8398f0ca34b2d10a9aae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:00.174143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057482/publication.txt
observed e69311f7a36b314573145652f8176f53...
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.