OpenTechnical

OT-2026-000073918

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000073918) never changes.

Identity and time

Publication numberOT-2026-000073918 · never reused
Internal UUID01a0ae93-2b8e-7a00-aec5-44890b5b829b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073918
StatusPUBLIC

Content hashes

Canonical text2409b19625b134b07cb5a94ebd8999cb0d03d3636cf5def54d06dd43384cbe9a
Markdown586fb3b63d79e78df0bf09da8dc51e78802feda07e6b8b159584baaeed73703e
PDF
Publication pagebd408b98b29b3bf965bb4f155d0c5bfa9de553f892abe185b15cc1acae9d7ffa
Manifesta14fda59d94a88009e906200e9402e3aaf8b332c8f69fa161b8f36d6649ab7a7

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
SignaturePham5fAR53eLmJYyZHaqSn++5EzFBGV9xvbiTIXd/7jdaywCGrL0MaqIwqcozT0Dyh1KpGHT/aajMKsSIEbaAQ==
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

2026-09-17T10:20:11.677930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073918
observed bd408b98b29b3bf965bb4f155d0c5bfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:11.649775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073918/manifest.json
observed a14fda59d94a88009e906200e9402e3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:11.620736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073918/publication.md
observed 586fb3b63d79e78df0bf09da8dc51e78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:11.596377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073918/publication.txt
observed 2409b19625b134b07cb5a94ebd8999cb...
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.