OpenTechnical

OT-2026-000051720

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000051720) never changes.

Identity and time

Publication numberOT-2026-000051720 · never reused
Internal UUID01a0ae83-7c83-7636-90f9-460ba18e9735 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051720
StatusPUBLIC

Content hashes

Canonical textb956763f0feb1871674583c2154e63f57cb85ff6f4911cc76a2ff4b8d017b331
Markdown392d2a53f7a457c78632fcdb6cece1d0bc1b6d33eeef7d486cd7a28b1dba2352
PDF
Publication pageeecd2d7cc49caf4611087c9c8ca654ec9fc5984e2e076c698c16266e2f0e30b8
Manifestff7762d8619e41e888630a778dd445171bff70770d18826d22a87bb655eef93b

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
SignaturebrE3METB+x9abpLEnSoao6AfECJEMGNcYJiP7JOtzLI9UkOF5xn/vQZWf2FbgpNmOqX7qdx2U79txaZ/dnCcCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:36.402815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051720
observed eecd2d7cc49caf4611087c9c8ca654ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:36.380669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051720/manifest.json
observed ff7762d8619e41e888630a778dd44517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:36.359473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051720/publication.md
observed 392d2a53f7a457c78632fcdb6cece1d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:36.339356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051720/publication.txt
observed b956763f0feb1871674583c2154e63f5...
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.