OpenTechnical

OT-2026-000048478

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000048478) never changes.

Identity and time

Publication numberOT-2026-000048478 · never reused
Internal UUID01a0ae80-4de5-7940-8c8c-dbb45971802f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048478
StatusPUBLIC

Content hashes

Canonical textc6ebd5e23be30ea3923d79c251cbfa91726158d10d34b3eed5d155da7125ad09
Markdowndf7e1f0226fdc34eb7953fb35a5c650e8e83d2c79f84b33628f8d0527449528b
PDF
Publication pagefe351258fc78d523c83053679e80016532ff7c4ba4c7695e4229407c8fa7dbfb
Manifest49f2687c803553548974e10248b2fed1ddceae9cc57df1359ffcef7e19830dd3

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
Signatureibmt3wycxVXjNY3LDWCOjziE6naCAlvtDs4nmSjfsECcI1f22Geglr8RtxcSpTcLPDzdPTFFrn4KwEyU7Am4Aw==
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

2026-09-17T11:05:08.646851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048478
observed fe351258fc78d523c83053679e800165...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:08.628049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048478/manifest.json
observed 49f2687c803553548974e10248b2fed1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:08.607572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048478/publication.md
observed df7e1f0226fdc34eb7953fb35a5c650e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:08.587165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048478/publication.txt
observed c6ebd5e23be30ea3923d79c251cbfa91...
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.