OpenTechnical

OT-2026-000005907

Publication integrity record

Vacuum cup gripper, four outlet manifold, pump fed, pressure verified, contact triggered

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-2026-000005907) never changes.

Identity and time

Publication numberOT-2026-000005907 · never reused
Internal UUID01a0a948-d1b4-7b9e-b93b-d918423bbd35 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:15:16.919216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005907
StatusPUBLIC

Content hashes

Canonical text2c2cbcb919db637fab26bd7de01fdd7f927bdf3724d22f8d5b61441c15a28d8d
Markdown6a99ff4ab1daf97999201cede03bcb0c3fef784c6d01f422446bb1d74ad6d5cd
PDF
Publication pageaeea1b47b1b195488605b902b3e7c16d7fa5779bd35882da76af2a662faf9832
Manifest6be73cde2ab6f06db0982d7cf31d99f5696d56267bc5005fc0fe58ba388a1b87

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
SignatureiPI4/KzDcsoZAaGZOzEmhGChQB0P4qYjzUB9FBGDny/WtwNas1vIausIPj+XX+W89ZkpESMo7WbYzdfWAficAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:18.952764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005907
observed aeea1b47b1b195488605b902b3e7c16d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:18.937583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005907/manifest.json
observed 6be73cde2ab6f06db0982d7cf31d99f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:18.920432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005907/publication.md
observed 6a99ff4ab1daf97999201cede03bcb0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:18.901608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005907/publication.txt
observed 2c2cbcb919db637fab26bd7de01fdd7f...
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.