OpenTechnical

OT-2026-000082628

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000082628) never changes.

Identity and time

Publication numberOT-2026-000082628 · never reused
Internal UUID01a0ae97-8cc8-70cf-a2d1-184915e5f99b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082628
StatusPUBLIC

Content hashes

Canonical textb92798f7df960915e5e8c75b838e3604c5522140e0224d117f7c4d59e5f2546f
Markdown6565b506cfe78f5821aee2b8f5d77d9ed373c6039d83db46b8771940612877e2
PDF
Publication page054826d6e4423ecabb54dc861059662b90d2c8695e62fb3c92d777c9a031c9ec
Manifest95e54bac2e943567a4e09e47a5ffde5673b61f14c5314a582d629bf4a64c6fdb

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
SignaturezAqRP8uMLW11WqtH8dE/83Dw9Jup7+XAcetQc+AiW930LSX0TFwwqrjIGged1L9JSp5g8x5whAwVyt0gAQqdCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:58:10.944080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082628
observed 054826d6e4423ecabb54dc861059662b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:10.926863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082628/manifest.json
observed 95e54bac2e943567a4e09e47a5ffde56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:10.909079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082628/publication.md
observed 6565b506cfe78f5821aee2b8f5d77d9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:10.891277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082628/publication.txt
observed b92798f7df960915e5e8c75b838e3604...
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.