OpenTechnical

OT-2026-000042507

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single 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-2026-000042507) never changes.

Identity and time

Publication numberOT-2026-000042507 · never reused
Internal UUID01a0ae7a-c0cd-7eab-a8e4-a43058fa4070 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042507
StatusPUBLIC

Content hashes

Canonical text755b5a73fa606cc4d081af8849508a23b1eaac2926ec62de2b66297a471b0dc1
Markdownbe636d7cca7da6baa6a4ffe2d06c6f86af04a595113a4d03ec17cf5dd5840a80
PDF
Publication page787ebb8bacd29ed597a68ae08c56f923f74cad6d4ace9a81a5ecdb2e9d572abe
Manifest037a92de82a9d8887ab8b4b808d94fca6fc3ffffa13abd404d106ca694d702ba

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
SignaturexkKGQv+wz7RPCKI3WLsoawnBv8Wn+Z4Wp4OHLoXp9W+0i28TZngI4y3JR2WPQss/5ToUVqwEZlJHkrupCmMjCA==
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

2026-09-17T11:14:05.107726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042507
observed 787ebb8bacd29ed597a68ae08c56f923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:05.087698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042507/manifest.json
observed 037a92de82a9d8887ab8b4b808d94fca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:05.067074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042507/publication.md
observed be636d7cca7da6baa6a4ffe2d06c6f86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:05.047733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042507/publication.txt
observed 755b5a73fa606cc4d081af8849508a23...
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.