OpenTechnical

OT-2026-000068440

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000068440) never changes.

Identity and time

Publication numberOT-2026-000068440 · never reused
Internal UUID01a0ae90-2481-7fc0-89e9-a38e2d454c7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068440
StatusPUBLIC

Content hashes

Canonical text4f33510f437ca453d8d254c67aadc39518a6e68981c1571e39df51e843fb1c40
Markdown312f77595fd280b267ede49d3843be03c102c1cbe3452e4d39504aac91556f29
PDF
Publication page49b088aac47d93dc28eaede534c0bec50e725f7a05ce732e98a452c757e5540a
Manifest471fe811b92042aa620413a38be9a76853e54348b796bff30b125384286fc737

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
SignaturevPMgWCE80qS5hoKHggHzp8zLi05Ih98Pf5asM5BqMYLHBZ/K/TSPChb0hb02PbfKd6Ua/Yycq7+O29b0+lyZBw==
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

2026-09-17T10:29:35.150050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068440
observed 49b088aac47d93dc28eaede534c0bec5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:35.132655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068440/manifest.json
observed 471fe811b92042aa620413a38be9a768...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:35.114501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068440/publication.md
observed 312f77595fd280b267ede49d3843be03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:35.096187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068440/publication.txt
observed 4f33510f437ca453d8d254c67aadc395...
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.