OpenTechnical

OT-2026-000013111

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000013111) never changes.

Identity and time

Publication numberOT-2026-000013111 · never reused
Internal UUID01a0ae6d-6fc8-78b2-8c46-8a53bb1bdfa0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013111
StatusPUBLIC

Content hashes

Canonical text56a600e87a7ab63d93e3745850f35c6dc8acc0c51155d089535d8423e3eb0e96
Markdown1de5d83c1cbc2dee478882443fe85bd78eced4bae16bcaac2a73c378c61763f2
PDF
Publication pageb5e30e306a84ed73d15b35f6c6552d295f1fa92b34407e9a2551d0f1b30c9f36
Manifest6b98c418796cae5a3fec3d6a1419422b4d22422cb448ebde69ace2769a234b6c

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
SignaturefcW2xuXQdnzwp140oaEf+Q3+K/3wtDANBztmYyLfMM61AqhzTIgVMMgmhqfqgrceKOZxCEY0zedwGnMCLGoRAw==
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

2026-09-17T12:09:23.756272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013111
observed b5e30e306a84ed73d15b35f6c6552d29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:23.737536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013111/manifest.json
observed 6b98c418796cae5a3fec3d6a1419422b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:23.718828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013111/publication.md
observed 1de5d83c1cbc2dee478882443fe85bd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:23.698817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013111/publication.txt
observed 56a600e87a7ab63d93e3745850f35c6d...
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.