OpenTechnical

OT-2026-000102112

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, pulsed blow-off after 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-2026-000102112) never changes.

Identity and time

Publication numberOT-2026-000102112 · never reused
Internal UUID01a0aea4-50f2-73c5-b098-ed1aaaae5b48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102112
StatusPUBLIC

Content hashes

Canonical textb33a9a9629e27c1580cb9a29824a9e4d932d1634cc804145023e43035d9a3b81
Markdownc630f6e87c0ad2de2bfba29e6a5e6102e66c4902e3af5cbf7843c0cca5fc3145
PDF
Publication page1c880c96ef6356bc6ff5e153fcf0816c39dde938c3ea84547d45865d32e8989a
Manifestfc9f41ec2b4bc2d7f1acd230c0356bc2e9b8ba6301e6ae19cc0356ed7e5b70e9

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
SignaturehPrGT+Sx0+e9SfgZY8K6jPtlvIBypbRWVndMS9hfHIsVF83QYrPLGarPxwtgG8P4JwCl6n94ERAKIFY5842FDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:15.982367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102112
observed 1c880c96ef6356bc6ff5e153fcf0816c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:15.961646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102112/manifest.json
observed fc9f41ec2b4bc2d7f1acd230c0356bc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:15.940319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102112/publication.md
observed c630f6e87c0ad2de2bfba29e6a5e6102...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:15.919445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102112/publication.txt
observed b33a9a9629e27c1580cb9a29824a9e4d...
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.