OpenTechnical

OT-2026-000049411

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000049411) never changes.

Identity and time

Publication numberOT-2026-000049411 · never reused
Internal UUID01a0ae81-8f7b-72de-a2c1-612d41c6ac62 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049411
StatusPUBLIC

Content hashes

Canonical text6b5dee33f7d3558b30e162e5c32825aa9c19bad378bd6a939cd51109f1f498cf
Markdown4aa36509ac265f3423faa43476d1b433e7560ea40b5462ca170a94b9d9ea88a1
PDF
Publication page510e0c73da713b515c10cf89bcc02b8020a1f4180ad1789978713aaa05fc6ff6
Manifest937e987f2a6e0e8dbe3be96784e8c0936400b3534d7313f71851ab4a69c21801

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
SignaturePH6F5ZvFOpajI6STV9kDy90W11lTDRwQp3xzrS67JBIMoR7lvzuJDmXVKSY0IsECRwwshE5BWMgnDzM89eKeCA==
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

2026-09-17T11:02:14.116435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049411
observed 510e0c73da713b515c10cf89bcc02b80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:14.094987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049411/manifest.json
observed 937e987f2a6e0e8dbe3be96784e8c093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:14.078013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049411/publication.md
observed 4aa36509ac265f3423faa43476d1b433...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:14.059993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049411/publication.txt
observed 6b5dee33f7d3558b30e162e5c32825aa...
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.