OpenTechnical

OT-2026-000029058

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000029058) never changes.

Identity and time

Publication numberOT-2026-000029058 · never reused
Internal UUID01a0ae73-2a9f-7bd9-b089-64b3da55a218 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029058
StatusPUBLIC

Content hashes

Canonical text11af06aed80c3cfc20be88c3554f9d999756107c38af5a7026a191ee760f0c24
Markdownd81cf81b6adeadb36af80b7b384fe3702dee30dc845578aac36fc41a36bf3609
PDF
Publication page31e92d946fb15440cf0c7241689bdc1059eb2cebc819db10462f84fae7446c39
Manifest92ca85fa7f126177115ddf31f8de08f2a51e4a6cd1bfb129cb0fe7cd192d4148

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
SignatureIl28var08t+Fs8JN8EsyPlBveYuTzOulbzQTNLGNj08cCTewewaJvR1uusQwnAvwPHZbjLVwalPNVEo8+0KtAw==
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

2026-09-17T08:20:39.522918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029058
observed 31e92d946fb15440cf0c7241689bdc10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:39.502572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029058/manifest.json
observed 92ca85fa7f126177115ddf31f8de08f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:39.485179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029058/publication.md
observed d81cf81b6adeadb36af80b7b384fe370...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:39.459512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029058/publication.txt
observed 11af06aed80c3cfc20be88c3554f9d99...
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.