OpenTechnical

OT-2026-000027277

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, supply line 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-2026-000027277) never changes.

Identity and time

Publication numberOT-2026-000027277 · never reused
Internal UUID01a0ae72-6996-7d8a-93dc-ca60199df098 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027277
StatusPUBLIC

Content hashes

Canonical text5aa9738a9ba4504c7bf5b5199a1586a89a827684aebfa4726a428bb9cbad1f08
Markdownf5bb0335a39f669f4f529d1696df05fc6ab03e59c5a75109070a43da034265c2
PDF
Publication page7409b1d595c0d9c512c5c628d6e2559ed7f520b12449c77b090dacabdffee46b
Manifest01704c3fdaf2f9342f7c6142099e6926647033f6907f56ff5ac9191ae5162342

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
SignatureQB9wpoxwuYgcZ7hbip0it8Qr7HYYct1rV13rNmOySEcilk//NLdbnBulMY8OJpCzCXYGXco6ijCR7+Y+J3G5AA==
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

2026-09-17T11:42:39.780462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027277
observed 7409b1d595c0d9c512c5c628d6e2559e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.762595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027277/manifest.json
observed 01704c3fdaf2f9342f7c6142099e6926...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.744026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027277/publication.md
observed f5bb0335a39f669f4f529d1696df05fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.726908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027277/publication.txt
observed 5aa9738a9ba4504c7bf5b5199a1586a8...
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.