OpenTechnical

OT-2026-000083031

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, sustained 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-2026-000083031) never changes.

Identity and time

Publication numberOT-2026-000083031 · never reused
Internal UUID01a0ae97-c961-7c6e-b076-26dfb44a32ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083031
StatusPUBLIC

Content hashes

Canonical textd3a197872714e62c932ae4e0b7c55f7e35ece4ca17dd48ab0a862fd24617cbb8
Markdown54216f86cfc94cd855013dc251a4927a327de094e334ed15c69cf6e2b23dda13
PDF
Publication paged899d1c06cd9447bc5e9f3870dbe5ef45d5285593c7aa31708fe5a1bf4e1a7da
Manifestd7d06c3ddaa2997c6f48874097c8eaea25e5756fcfc8f0a60e2b95f196b27197

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
SignaturemtDi9wJsEhuinlaqxARYjPpOGyy+L7QId7LMSsJFOrchpR/8um99BOGLWWZlCGRvKFW5SSgXKXEzR5EK+9k/Aw==
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

2026-09-17T09:00:21.423953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083031
observed d899d1c06cd9447bc5e9f3870dbe5ef4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:21.401980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083031/manifest.json
observed d7d06c3ddaa2997c6f48874097c8eaea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:21.380458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083031/publication.md
observed 54216f86cfc94cd855013dc251a4927a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:21.358721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083031/publication.txt
observed d3a197872714e62c932ae4e0b7c55f7e...
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.