OpenTechnical

OT-2026-000023279

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000023279) never changes.

Identity and time

Publication numberOT-2026-000023279 · never reused
Internal UUID01a0ae70-7267-7b1b-9c2d-38ee236e27d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023279
StatusPUBLIC

Content hashes

Canonical textb85e3335b4aec6205b8309ea09d73000eb8e4ef5a8c7833e0d59888877bb6d50
Markdown9123015dbda1be332d507f49a718dde031b278ce2965fa1ce05c88c0629927ec
PDF
Publication page18dfe5d5b590251f0e49d8b5e578572e2d9dccebe05031908c6ec41b64a7fb11
Manifest0c74f66f24ea2e048defdd65a4eb6fdf6da76e7ef1ce64ec5bba019f636861c1

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
SignaturefTLoT2/kWGwxNpr3izfq/3MZ1gSlPV+VobyuwhjZingNQPq+8M98bf8HLAFvK9dVxMC83tig03+NFezT0SfOAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:51:21.267119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023279
observed 18dfe5d5b590251f0e49d8b5e578572e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:21.250408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023279/manifest.json
observed 0c74f66f24ea2e048defdd65a4eb6fdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:21.231514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023279/publication.md
observed 9123015dbda1be332d507f49a718dde0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:21.214914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023279/publication.txt
observed b85e3335b4aec6205b8309ea09d73000...
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.