OpenTechnical

OT-2026-000023123

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000023123) never changes.

Identity and time

Publication numberOT-2026-000023123 · never reused
Internal UUID01a0ae70-7266-7406-be5b-31b3e82ae7d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023123
StatusPUBLIC

Content hashes

Canonical text48914cb2f45aa0055b47d82e5a36ec848af8306e7c9eab4e7d0994581f264460
Markdown4128b87cb2e0e83ffd3ba58183be466bcecc474c55ca99d6f5989189fcde4c35
PDF
Publication page90f2d7b648dec9cb7c12cb17fa85690d571978c1144784e2f2e046028b04f36d
Manifest1d73aac4511529b66926f86f5d77bd5b8eba74b9b974d7b7851eb4faa8c43f9f

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
SignaturePUQHT9YSccaq8K1g0CR36Qxl7tZGQaVwwiq/R6oUTgvoX7jP7XhtzKEWP2MFJHbe8iZFygDicoqyvPrmTKw4Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:51:03.068268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023123
observed 90f2d7b648dec9cb7c12cb17fa85690d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:03.049742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023123/manifest.json
observed 1d73aac4511529b66926f86f5d77bd5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:03.030055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023123/publication.md
observed 4128b87cb2e0e83ffd3ba58183be466b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:03.012008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023123/publication.txt
observed 48914cb2f45aa0055b47d82e5a36ec84...
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.