OpenTechnical

OT-2026-000048774

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000048774) never changes.

Identity and time

Publication numberOT-2026-000048774 · never reused
Internal UUID01a0ae80-c32c-73a1-b2b4-0250a9a6eca5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048774
StatusPUBLIC

Content hashes

Canonical textb023f44a8f1a766f426ed3ab0bd0f0345c2c76ef513bc888abedac3d9aefab6a
Markdown381305da85b905c4f1c6d30f8cb47dac3460c9e782d2da06901a6a47d4c5a4d1
PDF
Publication page6b1aac3e3f165273f64dbfcdd5f1eb28833225cf85410d41fb5974446f9d9a72
Manifestdbdfd010aab00a65aa4863b8da8baa4b1c4ccbc0123eb3fadad992b8518b1659

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
SignatureU3CaIe8WlsXKyNRyGiTPdk2HaCQKveeIsmt8CStbvd5e9eFxUeiXnRg7CoE1N92Q94LccfTuhn1/Z5o44BOqBg==
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

2026-09-17T11:04:27.954349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048774
observed 6b1aac3e3f165273f64dbfcdd5f1eb28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:27.926896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048774/manifest.json
observed dbdfd010aab00a65aa4863b8da8baa4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:27.901868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048774/publication.md
observed 381305da85b905c4f1c6d30f8cb47dac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:27.874611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048774/publication.txt
observed b023f44a8f1a766f426ed3ab0bd0f034...
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.