OpenTechnical

OT-2026-000006573

Publication integrity record

Porous face vacuum gripper, four outlet manifold, ejector fed, pressure verified, vented after 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-2026-000006573) never changes.

Identity and time

Publication numberOT-2026-000006573 · never reused
Internal UUID01a0a95f-fb94-7dac-8c6f-7694a66f3338 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:40:34.966736Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006573
StatusPUBLIC

Content hashes

Canonical textddcac3977170cee75aeffa888707fdeebd9f288112a5e135901a5a7bcc6ca1b5
Markdownc4973ae2202f6dac6031cc73d0a4ccf83801e9c544ad3cd838cfc2a502266370
PDF
Publication page13fe311c41cc46b8e11cbdcad073df97beaa99fd3400c4bd1570e1873d74c9e7
Manifest9309eae5915986a30435135038f779d87ba95f85b435a9973e29ed562c5fe601

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
Signature5yC6ohQTdz/vEAWBlxKRYNLhWa9eSNJqjZKE5l0jDR75QWrkw4qpvUyHSTBNUnV95vKXi146g4nH2mnziew4Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:29.442195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006573
observed 13fe311c41cc46b8e11cbdcad073df97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:29.429274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006573/manifest.json
observed 9309eae5915986a30435135038f779d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:29.415506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006573/publication.md
observed c4973ae2202f6dac6031cc73d0a4ccf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:29.401788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006573/publication.txt
observed ddcac3977170cee75aeffa888707fdee...
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.