OpenTechnical

OT-2026-000074913

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000074913) never changes.

Identity and time

Publication numberOT-2026-000074913 · never reused
Internal UUID01a0ae93-ac2d-7208-8186-f10d78f3c745 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074913
StatusPUBLIC

Content hashes

Canonical text95c37244fc64feffba6074f68cdf15a6d71938c00ac81d62d41af4bca3f112ef
Markdownbf1131c6c71a3c72f80e60144105d2297f8c42793ec496e2543603f16b033c6d
PDF
Publication pagec10eb3ff9c4339039f10921571fca81ade8937b3a790463e052b3e85365b9b51
Manifestf13692850b5e2d0e7c9f618c99a8703e3c73c6cd95ef1c64e1cb05e527a2b006

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
SignaturedkMlGMhCtzLV5ZfTfPPOMeCL8xABnKho2tbafbzB4k5a0Mn+R9ON6DwhOSrfsQcgiMnNrsIcGmz+5wZiqlJRAg==
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

2026-09-17T10:18:38.288171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074913
observed c10eb3ff9c4339039f10921571fca81a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:38.269380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074913/manifest.json
observed f13692850b5e2d0e7c9f618c99a8703e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:38.250193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074913/publication.md
observed bf1131c6c71a3c72f80e60144105d229...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:38.232186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074913/publication.txt
observed 95c37244fc64feffba6074f68cdf15a6...
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.