OpenTechnical

OT-2026-000051845

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, vented before 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-2026-000051845) never changes.

Identity and time

Publication numberOT-2026-000051845 · never reused
Internal UUID01a0ae83-7c84-70ea-a85e-204d8de4e9ea · 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-2026-000051845
StatusPUBLIC

Content hashes

Canonical text4ea0044a67f1e936dae017047dcf55de4c1804ecbeabdecbe3a487c18204eeb1
Markdown33b83ac47269f94ff8ef78c7470780ef56257b17bb61f8cec44877ad433fd803
PDF
Publication pagebf7062ffa13c6b661c9d119ec422bebfa173098bf7c82fc87fbb3a7dd8e36c64
Manifest7dfb450315edf78ee7b0e6d3d09f15e099a67479f5509e9fc6090e26ac3aa77d

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
SignatureYGTdlDYwE+6FQRq6K3QRxKPEu+GE2QvhdovfCo6GMLnT5ZDfSYgz8/6HlFq8P44dA1c5MbjW0FOrGavqjFwiDw==
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

2026-09-17T10:58:46.447272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051845
observed bf7062ffa13c6b661c9d119ec422bebf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:46.428096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051845/manifest.json
observed 7dfb450315edf78ee7b0e6d3d09f15e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:46.408307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051845/publication.md
observed 33b83ac47269f94ff8ef78c7470780ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:46.388956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051845/publication.txt
observed 4ea0044a67f1e936dae017047dcf55de...
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.