OpenTechnical

OT-2026-000079034

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, vented after 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-2026-000079034) never changes.

Identity and time

Publication numberOT-2026-000079034 · never reused
Internal UUID01a0ae95-ccbe-7731-a47d-43af9bcb6f01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079034
StatusPUBLIC

Content hashes

Canonical text99b4ad5103b9d795e0988c6ce39139a6d41f51a9b1fc50c9e10f8aefaf5347cc
Markdown99b506730781c813fdb28f8ad91b7ae776465a2a2b5850247e809f557c0c3720
PDF
Publication page5c6379511c3164c9fe9db154935aa317e5eaf8e43e008d62198f69c3793a5e64
Manifest495155329e445196d6bbafc273ceca75d39a766e1f830ecd9a0f18e38d798d6b

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
SignatureHYvsvjE3cUX3HbHMNf+kIznuwfIWgfXg9hEd+C3CcL+v+Sy5XQBtsf7ETlG0nQLX7DNSfIKSOfHnD6YAyPvFDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:24.229158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079034
observed 5c6379511c3164c9fe9db154935aa317...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:24.203086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079034/manifest.json
observed 495155329e445196d6bbafc273ceca75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:24.183624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079034/publication.md
observed 99b506730781c813fdb28f8ad91b7ae7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:24.160859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079034/publication.txt
observed 99b4ad5103b9d795e0988c6ce39139a6...
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.