OpenTechnical

OT-2026-000020602

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000020602) never changes.

Identity and time

Publication numberOT-2026-000020602 · never reused
Internal UUID01a0ae6f-437c-7a9b-a509-43fe688af708 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020602
StatusPUBLIC

Content hashes

Canonical text166297991695ec0e4c5639081ae745ff1534aa94a58ae7fe4876d702e08a2309
Markdown7b61227d7047612dafa6253709d2a761a1a299876271bfa2e73b3b0e15fb1790
PDF
Publication page1d6f86829c9bb567b34f10e4dfb3b79b4a5759e1dd2a8b81bec392372314804f
Manifest25cd8626cc5aa81aab9c63abb5f69c55fc31f1340cd902583dd182be653a6c65

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
Signature/D31AM+ZmKvDM35ncR9EiJOhXFgX/rmTSgwpaw8ModrhDofIUVOg4qT0wtBMm+0IrcVUFfyPw/8nHvrwJjm7Bw==
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

2026-09-17T12:00:29.762418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020602
observed 1d6f86829c9bb567b34f10e4dfb3b79b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:29.744652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020602/manifest.json
observed 25cd8626cc5aa81aab9c63abb5f69c55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:29.726620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020602/publication.md
observed 7b61227d7047612dafa6253709d2a761...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:29.705733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020602/publication.txt
observed 166297991695ec0e4c5639081ae745ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:32.744766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020602
observed 1d6f86829c9bb567b34f10e4dfb3b79b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:32.726530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020602/manifest.json
observed 25cd8626cc5aa81aab9c63abb5f69c55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:32.707855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020602/publication.md
observed 7b61227d7047612dafa6253709d2a761...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:32.689602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020602/publication.txt
observed 166297991695ec0e4c5639081ae745ff...
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.