OpenTechnical

OT-2026-000073189

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, supply line 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-2026-000073189) never changes.

Identity and time

Publication numberOT-2026-000073189 · never reused
Internal UUID01a0ae92-efb6-7e18-9cd0-0270efb5a574 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073189
StatusPUBLIC

Content hashes

Canonical text0b9c412312083196b7b271f8ef9255eb967d63e829a1777fd3a73014d7fd9269
Markdown57fd5e075cd9b86c676bc48f3eecc5f83a16cc01aec517d33c61e59b87193943
PDF
Publication pageda8ac437a9c3f6c168e80562718e9015605cc3a44cb91dfbc92e758ab609fafa
Manifeste8d4e8e73dfe61f5f3e1aeff67312ea51537c67493f8a7c75a513a3de9458676

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
SignaturebxFzdLx+jA8So7s2b/jsPhX/aS0BtCGegqPBtJMRkUVdpg46/ovz3BIrVqpZm2jSqKm3gVF4JS5Q/PBNH/B6Cw==
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

2026-09-17T10:21:08.875337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073189
observed da8ac437a9c3f6c168e80562718e9015...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:08.855370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073189/manifest.json
observed e8d4e8e73dfe61f5f3e1aeff67312ea5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:08.795601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073189/publication.md
observed 57fd5e075cd9b86c676bc48f3eecc5f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:08.713045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073189/publication.txt
observed 0b9c412312083196b7b271f8ef9255eb...
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.