OpenTechnical

OT-2026-000030902

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000030902) never changes.

Identity and time

Publication numberOT-2026-000030902 · never reused
Internal UUID01a0ae74-3fb6-7b42-94c6-bfb715b09ecc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030902
StatusPUBLIC

Content hashes

Canonical text853475f33f689e73997bd797a108bf43a1d8ad0461f3c499e737a467ef4803b9
Markdown4d6a97ad89df73297b70eae08076ed84cb068c635aaec4794ad67081aaf4b54a
PDF
Publication page84cd39282d369552190ec89324f6cc1800717b64d4eeae0dd7e9206e3c52dbc0
Manifest0928e0993337cadc8397722f0c8b91d7c4993b513ec22999b2934aa1117868b2

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
SignatureDGrBLcsavrjS99B+p3de8asKNNKuiXcuKcaA6QZHO3AdJbaFampaLkWChrglsNJfJWAPef4jM7z5o4odtFMhDA==
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

2026-09-17T11:36:53.355976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030902
observed 84cd39282d369552190ec89324f6cc18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:53.338781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030902/manifest.json
observed 0928e0993337cadc8397722f0c8b91d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:53.315698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030902/publication.md
observed 4d6a97ad89df73297b70eae08076ed84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:53.284982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030902/publication.txt
observed 853475f33f689e73997bd797a108bf43...
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.