OpenTechnical

OT-2026-000050990

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, vented before 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-2026-000050990) never changes.

Identity and time

Publication numberOT-2026-000050990 · never reused
Internal UUID01a0ae82-c7b4-738b-a462-cb7be280e64c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050990
StatusPUBLIC

Content hashes

Canonical text59b9349c4280cc4260ee3182ab8946429833812d36c73b6c4c18f55eb5fea8db
Markdown2a617d223df3863dac9a1bf981519e0b9dc1e31d562675037ad1681d27989602
PDF
Publication page9d97c14b0daee30e80f25634c6d5d7c5cdd76c7f876fb3ace8dd8f3f2a0f6ee2
Manifest8830ac60bfc439108199a352922a48d101f401c575345a90bbc499471630bd84

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
SignatureMU1Jx02WlrAJVCblwc3/pDUVT4pgLkfb2IryVxx/d0ZAovm+Del50hNN0LusoKLRFJEYU0CcqqWs5JWs3UIZDA==
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

2026-09-17T11:00:53.124734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050990
observed 9d97c14b0daee30e80f25634c6d5d7c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.107363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050990/manifest.json
observed 8830ac60bfc439108199a352922a48d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.088451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050990/publication.md
observed 2a617d223df3863dac9a1bf981519e0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.071470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050990/publication.txt
observed 59b9349c4280cc4260ee3182ab894642...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.067682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050990
observed 9d97c14b0daee30e80f25634c6d5d7c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.047841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050990/manifest.json
observed 8830ac60bfc439108199a352922a48d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.029558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050990/publication.md
observed 2a617d223df3863dac9a1bf981519e0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.010346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050990/publication.txt
observed 59b9349c4280cc4260ee3182ab894642...
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.