OpenTechnical

OT-2026-000058715

Publication integrity record

Four cup vacuum gripper, four zone face, four 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-2026-000058715) never changes.

Identity and time

Publication numberOT-2026-000058715 · never reused
Internal UUID01a0ae88-f39e-71fa-88fc-f51863a5f622 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058715
StatusPUBLIC

Content hashes

Canonical text692d2eef42b7f0f1599315b43195176f11c8f973dd8a22d24b5ed28e57743260
Markdowna6aa6094a3788cd49a9070074e903a40667cfcf407e0a3bff51bf7c060a32f37
PDF
Publication page4f34b90136e6590765693ca5721ec12a1d35d22958580fdbaec2d55e0e1e89b9
Manifestde64e364a804a5f033a2176e6fd87b80216ef4eef6ca845e1514ba61398abd25

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
Signaturem3Sm2oC5GBVs3M4J6dXdKqvskPS2bkKa0+pY0lYENRE+tGTVIjAZ/5cbTfnsqD5A0KbiPWaK7LAd7n1Tv/ANCQ==
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

2026-09-17T10:47:14.682943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058715
observed 4f34b90136e6590765693ca5721ec12a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:14.667386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058715/manifest.json
observed de64e364a804a5f033a2176e6fd87b80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:14.651115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058715/publication.md
observed a6aa6094a3788cd49a9070074e903a40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:14.633001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058715/publication.txt
observed 692d2eef42b7f0f1599315b43195176f...
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.