OpenTechnical

OT-2026-000057719

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, 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-2026-000057719) never changes.

Identity and time

Publication numberOT-2026-000057719 · never reused
Internal UUID01a0ae88-2695-7700-b180-257eb90508f3 · 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-2026-000057719
StatusPUBLIC

Content hashes

Canonical text5ce32b87d42679208ddce1748029832b170f4493941b503402e526024a47e29a
Markdown13cf5d5d3a5e05df908cecc3cf8d5330e3eac5c1b2ffdea344b6500c33b41e63
PDF
Publication pagec4e13433667a63c3d5bccce24252cea4c07769c02a87b0118ec17ed3ba3876ec
Manifest924e77658ba19c3fe6b18307eaad05d01febb0972dcbcd473ab89e49c27e90b8

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
SignatureEJlFUMRhNPm2jq01ZcVNb5pcNztcKZwnNmTyYpDgxa5G/CS2LDcxYJiwt0426a6NVVEL1nKUpvbJ2OVhL6BZCQ==
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

2026-09-17T10:48:23.364149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057719
observed c4e13433667a63c3d5bccce24252cea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:23.347007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057719/manifest.json
observed 924e77658ba19c3fe6b18307eaad05d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:23.327975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057719/publication.md
observed 13cf5d5d3a5e05df908cecc3cf8d5330...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:23.308536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057719/publication.txt
observed 5ce32b87d42679208ddce1748029832b...
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.