OpenTechnical

OT-2026-000012971

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two stage ejector, pulsed blow-off before set-down

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-2026-000012971) never changes.

Identity and time

Publication numberOT-2026-000012971 · never reused
Internal UUID01a0ae6d-5564-7109-a745-1334b28828df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012971
StatusPUBLIC

Content hashes

Canonical text757dfc0ccc90724a88165a8e6a8733caed2a907c3bbc851e6ac8bb5c57a5162f
Markdownc53c960c24adc8390edcd2b5defaa58e64e839710db351dad1f54d5e3d05ba00
PDF
Publication page010ad69a7810dc0dbff40f2b13cd4c1e42b6231716b508ed0ebafe3d62506bb3
Manifest6988858953981f782e07e9853e4fec1407e35f3bbaf69ca6ec6b3c3458bf8746

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
SignaturesRdVskEsc48tNdvmT85ZX72QuRQ0tHoZDsxIfHB3Vm/C1e8b+x1D5/lPUq54eOUfR2EWhdC0n/t8e9h4KklmCg==
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

2026-09-17T12:10:46.900657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012971
observed 010ad69a7810dc0dbff40f2b13cd4c1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:46.880917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012971/manifest.json
observed 6988858953981f782e07e9853e4fec14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:46.860795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012971/publication.md
observed c53c960c24adc8390edcd2b5defaa58e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:46.840503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012971/publication.txt
observed 757dfc0ccc90724a88165a8e6a8733ca...
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.