OpenTechnical

OT-2026-000052969

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000052969) never changes.

Identity and time

Publication numberOT-2026-000052969 · never reused
Internal UUID01a0ae84-a430-7489-b8c9-42445a756f6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052969
StatusPUBLIC

Content hashes

Canonical textb0dc9b498a90e609aa80cf6105a4d6dcb76d61cf8d5ef4059b16e083d0a335a3
Markdown32a88cf405183603d1b21e17b3dae4f8916078f0be8e4a7a55637106bbf2bb72
PDF
Publication page46065c13a4b4b600d78957234f5701ce8573015f608de2e06f42ceabe2aa47e8
Manifestc95b0c22b065279917871b381e8c1ef8daa78e3e13cbe0d1a4857a2d408d74ec

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
SignatureIuMIllKXYXT6viiSoNdWPZrQi9Gz+v5ntFOEC9Tj/loObXdWktOHgbklM6oQG47vywKwSNYHU/PfhnHiCKtJAg==
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

2026-09-17T10:56:39.303096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052969
observed 46065c13a4b4b600d78957234f5701ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:39.284332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052969/manifest.json
observed c95b0c22b065279917871b381e8c1ef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:39.268054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052969/publication.md
observed 32a88cf405183603d1b21e17b3dae4f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:39.249836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052969/publication.txt
observed b0dc9b498a90e609aa80cf6105a4d6dc...
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.