OpenTechnical

OT-2026-000056617

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000056617) never changes.

Identity and time

Publication numberOT-2026-000056617 · never reused
Internal UUID01a0ae87-7af5-791e-b7bb-20c6fe445b80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056617
StatusPUBLIC

Content hashes

Canonical texta8f728288aa607920a0203fb752382869a7b195b3bce88f56cf9d3596075ed86
Markdown0b8937ccf44d362983a6d72d102f44a75b9d18ef8a1f1e2c583fe997d6a2f8fb
PDF
Publication pagee013fe1b421049d34745f40223c737d76de7f4baa98b402a4c429233a47b3e78
Manifest8a64862e5d9acd56c48e46a2e31b4a2bc2f906890f17ebadf84ea3b564af5f5c

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
SignaturexgdziTnDBcHcA94q0ZX5ZWuZio2Q2fjpIn96FnE0qD1Cj/sDzQgTnez5wQur07X0jcLQDQHRQ2ry5EmapD4sBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:58.308071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056617
observed e013fe1b421049d34745f40223c737d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:58.288263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056617/manifest.json
observed 8a64862e5d9acd56c48e46a2e31b4a2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:58.268667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056617/publication.md
observed 0b8937ccf44d362983a6d72d102f44a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:58.248569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056617/publication.txt
observed a8f728288aa607920a0203fb75238286...
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.