OpenTechnical

OT-2026-000023237

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000023237) never changes.

Identity and time

Publication numberOT-2026-000023237 · never reused
Internal UUID01a0ae70-7267-70f6-a5c3-8d92437d4784 · 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-2026-000023237
StatusPUBLIC

Content hashes

Canonical textd32c45faa5090ed447bb83d756a8ed14ad1c76ecef9d7da219948a94b3bb4cd9
Markdown9ec2432b688972b360cc8e1e51b1a1fe30545b2cbc64e70079cd54270c204761
PDF
Publication page656fe1c0059ed0b666477c9d1a99fa75aca73b48ca947476a1b92f0e3c8528ff
Manifest65dac22f237f2f4b4d22805d23c784493294eab13909423b22c0f44b13d5f636

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
SignaturesDaurq89+nut7tr4/HfqIj5VV9ohd0uYH+eBxbGScR8qmWW2QeQ3lgZEG/I3Fatb5FrQZiD0uDZFWhlqfpapDA==
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

2026-09-17T11:51:17.945692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023237
observed 656fe1c0059ed0b666477c9d1a99fa75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:17.927642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023237/manifest.json
observed 65dac22f237f2f4b4d22805d23c78449...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:17.909275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023237/publication.md
observed 9ec2432b688972b360cc8e1e51b1a1fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:17.890222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023237/publication.txt
observed d32c45faa5090ed447bb83d756a8ed14...
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.