OpenTechnical

OT-2026-000047758

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, manifold 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-2026-000047758) never changes.

Identity and time

Publication numberOT-2026-000047758 · never reused
Internal UUID01a0ae7f-c420-7c70-82b7-54ba63b7b8e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047758
StatusPUBLIC

Content hashes

Canonical text3cdd480c75ccd47630457c7f8cbe1a2279aca0373516e817abf3b291909fb669
Markdown5a82ea32c265a9c1ba8622d2499eeb8e74cca434d8e35140e39efc8d1644b54e
PDF
Publication page52b1b7af9f1cc78b8244610cecc40ab53321e8a723620475e5d3f372022c6355
Manifest7acb64791517d88331dcfc7f9861ecd86d75f1a1a7e408ed00b3b21aae64131b

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
SignatureZTrV23z8Jc7z8rHrSksKCWp5VatQayflgPYsow/rvFwfYzX3t5Y1pVihr0b7RdeqiuhA23FPzVVjJ51I+IZOCQ==
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

2026-09-17T11:05:38.729253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047758
observed 52b1b7af9f1cc78b8244610cecc40ab5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:38.710511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047758/manifest.json
observed 7acb64791517d88331dcfc7f9861ecd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:38.694729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047758/publication.md
observed 5a82ea32c265a9c1ba8622d2499eeb8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:38.677295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047758/publication.txt
observed 3cdd480c75ccd47630457c7f8cbe1a22...
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.