OpenTechnical

OT-2026-000003764

Publication integrity record

Vacuum cup gripper, two zone face, four outlet manifold, pump fed

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-2026-000003764) never changes.

Identity and time

Publication numberOT-2026-000003764 · never reused
Internal UUID01a0a90a-fd53-7bc2-b28c-56b09436d1d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:44.854300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003764
StatusPUBLIC

Content hashes

Canonical text873dde2ed8f6b8a238ed1ff19778313d89ea652229aa6ad6103d2783f5f7dbfc
Markdown85a687b4a4bd8a52e49f2a38ea896262a760e75b874896e44fbf1a8723274e7f
PDF
Publication pageecd548b05b8057aaee2b0694e398f66db10e93cff41b0e44b36334ce2317ed42
Manifest828ada4b3edc23624930124b30776971428eb356897cca15204043f0d8ed5fe4

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
Signature9tOfTtJqN6PykOq+FaNioQB1A2ol2S/paQq0m5rSkH5h+Zh6VVQoY29SvvNVF4pv1a/afyj7FKvzQT+vJfteBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:21.746209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003764
observed ecd548b05b8057aaee2b0694e398f66d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:21.729789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003764/manifest.json
observed 828ada4b3edc23624930124b30776971...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:21.710848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003764/publication.md
observed 85a687b4a4bd8a52e49f2a38ea896262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:21.694785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003764/publication.txt
observed 873dde2ed8f6b8a238ed1ff19778313d...
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.