OpenTechnical

OT-2026-000021376

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000021376) never changes.

Identity and time

Publication numberOT-2026-000021376 · never reused
Internal UUID01a0ae6f-865d-793a-9c44-3927fa2a0f8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021376
StatusPUBLIC

Content hashes

Canonical text43916d301525edf111f7be9c2c4cd76c611b6c152d4ac3220b267d2ae7ab935e
Markdown0cdca9b63bab9a46dec3f00739c4b215b68d71b4146a35dc72a4b9862b157473
PDF
Publication pageaaab05a42fb3221880c6b21e666d3cd2f726f2618cc39e32199a26368cd58189
Manifesta991780cb4f27ffda53f883ee1663f3fa0fc5b7e7e0d8bd49f24533c726764bb

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
SignatureM56n3K9REfNKyDu5oBBR60Ie0vbNwn2S5qKjcGJ4dwwC0PgYnCO42xr+PQy/UneQ+7ExiTkNlz+UljJP/DZ/Cw==
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

2026-09-17T11:55:14.937952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021376
observed aaab05a42fb3221880c6b21e666d3cd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:14.918789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021376/manifest.json
observed a991780cb4f27ffda53f883ee1663f3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:14.900474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021376/publication.md
observed 0cdca9b63bab9a46dec3f00739c4b215...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:14.879437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021376/publication.txt
observed 43916d301525edf111f7be9c2c4cd76c...
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.