OpenTechnical

OT-2026-000073784

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000073784) never changes.

Identity and time

Publication numberOT-2026-000073784 · never reused
Internal UUID01a0ae93-2b8d-775e-818d-4ac8a6a4167d · 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-2026-000073784
StatusPUBLIC

Content hashes

Canonical textc23263466c82879f27fdd61f39cc9705cd18adf3eb4943ebdf3ad30d28936047
Markdownc5a2af182bbc119e5b08503cedf1818a5df653f294161f954f2e0407460862c6
PDF
Publication pagef88c4710aaf38862a7a99c80d8ed047ad92526f51dcf496b82a6a7d62043289e
Manifest1bdc60fa0ae6cf2cdb698f9541d022bd5819a8196a4a0af2570204e81afebed5

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
SignatureHl3VtcL+Vqoft1DUfMbdR2bGvPXzVBulPkxARD/YZRah0DlUHxxMcrO/qf6ps2kRGMddZ/E5e7dSMJQtusrtBQ==
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

2026-09-17T10:19:53.520840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073784
observed f88c4710aaf38862a7a99c80d8ed047a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:53.501112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073784/manifest.json
observed 1bdc60fa0ae6cf2cdb698f9541d022bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:53.481120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073784/publication.md
observed c5a2af182bbc119e5b08503cedf1818a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:53.462981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073784/publication.txt
observed c23263466c82879f27fdd61f39cc9705...
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.