OpenTechnical

OT-2026-000049269

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000049269) never changes.

Identity and time

Publication numberOT-2026-000049269 · never reused
Internal UUID01a0ae81-134f-79f1-b9b0-de6240439eae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049269
StatusPUBLIC

Content hashes

Canonical textd69e9146fdbabda35d45a86e7ca7e1bc074091b6f4526174705b468d0e8d9b00
Markdown479379e200f7c751b730f9734dc01645c0d64047e6ebbafa127fd1308cc15ea7
PDF
Publication page2fb8fcffdd24b1a9193ce3612b9282827cfec2dbd874b10c4f2defaf30d38f29
Manifest6b5f4bf4b645f8481906dfee9bff285914a5eaa1d2a7f2e9c911998c79822e39

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
Signature2njBQ98mutpI4kR9aEc6/snFm7BdCw4lAKOGF57gYwC8QwCkcTmaTYBCvwga5yu0uR250wncFSWnczxVzpf6CA==
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

2026-09-17T11:04:07.362974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049269
observed 2fb8fcffdd24b1a9193ce3612b928282...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:07.341646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049269/manifest.json
observed 6b5f4bf4b645f8481906dfee9bff2859...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:07.321565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049269/publication.md
observed 479379e200f7c751b730f9734dc01645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:07.301759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049269/publication.txt
observed d69e9146fdbabda35d45a86e7ca7e1bc...
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.