OpenTechnical

OT-2026-000078941

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000078941) never changes.

Identity and time

Publication numberOT-2026-000078941 · never reused
Internal UUID01a0ae95-ccbe-7776-9977-9a018436e3f3 · 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-2026-000078941
StatusPUBLIC

Content hashes

Canonical textb10a85b626e49ea6018ae51dcdc2d77f73781f4ddd72ab1e6b57d264e4890694
Markdownff9c2e519654040b730c2f0f3a2e3d5d7a28a7e50fba3a38b20eee20e81903a2
PDF
Publication pagee434af29eeff299cf36c2f95df4c598112149e1480a10d94936768072f062157
Manifest9a667eac0dd413302c72163cbe58fad9e538a6c9c8a7dcf2459157798eca50a6

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
Signature9EJDoAYmnZEeu9H8hNGfIVOmCpp2MWXpuWlVXKAJILV4oJ0C3noDZHBD0yq9ul4z8idxcnmwXWNZ463DeWgyAA==
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

2026-09-17T10:05:45.903268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078941
observed e434af29eeff299cf36c2f95df4c5981...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:45.888275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078941/manifest.json
observed 9a667eac0dd413302c72163cbe58fad9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:45.871203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078941/publication.md
observed ff9c2e519654040b730c2f0f3a2e3d5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:45.854646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078941/publication.txt
observed b10a85b626e49ea6018ae51dcdc2d77f...
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.