OpenTechnical

OT-2026-000048748

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000048748) never changes.

Identity and time

Publication numberOT-2026-000048748 · never reused
Internal UUID01a0ae80-c32c-785f-b340-a4c910cb1319 · 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-2026-000048748
StatusPUBLIC

Content hashes

Canonical textfb9ba98e9fb39f207d9b594f526ed7ba64be057ab528b7f441d1d74ae429cf52
Markdownd04c39e1e5f6b06142c13038e7eb00ce5d390e9b4b82ea42919f9f1d626dec61
PDF
Publication page70a1c6e2ccb2adc2b3495f8919fbe3f2f15adbe5be0a394a165622c695567da8
Manifest5dd9784fb8250ad38c87e00b0131cc6b3da0565e43684cdc9a78826ff8c90ca3

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
SignatureKunAE5OlPPUfYoV9YEn1Iv60ZnmXL5P4Cg9atMbZ1hiEsVEUH6IAG3NCjv0un4ziMLdnlyIWTrrMtOMCjYl0CA==
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

2026-09-17T11:04:24.739291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048748
observed 70a1c6e2ccb2adc2b3495f8919fbe3f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:24.712367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048748/manifest.json
observed 5dd9784fb8250ad38c87e00b0131cc6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:24.673636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048748/publication.md
observed d04c39e1e5f6b06142c13038e7eb00ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:24.628673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048748/publication.txt
observed fb9ba98e9fb39f207d9b594f526ed7ba...
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.