OpenTechnical

OT-2026-000026685

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000026685) never changes.

Identity and time

Publication numberOT-2026-000026685 · never reused
Internal UUID01a0ae71-f4aa-7f25-9d25-bf425d798cf6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026685
StatusPUBLIC

Content hashes

Canonical text088ddec4b45faa49cdcec828a60f79586942e492c44d9a24bbe1cb4dd2dd2962
Markdowne464b1281fae627d96ddeda45cd5fec40716e86ff95076016041a9eb487d19a0
PDF
Publication pagea2fe2398913ba3603aed4b0d4278b5caf137504949c504c872b9b50a0bc39d87
Manifestdc537e3333041394712c1516d70a70cf3026bf7cd103e15d5e0c2651d9e6bd3e

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
SignatureqrdzCK0BxAScdoWWlEmScsy8WpBEvUQLACJTSvFfZUF+ZLgxYyv5pIvCtTZKf7+WkPwQvPz35bFk+4ii+0k7CA==
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

2026-09-17T11:45:46.343887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026685
observed a2fe2398913ba3603aed4b0d4278b5ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:46.326386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026685/manifest.json
observed dc537e3333041394712c1516d70a70cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:46.309015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026685/publication.md
observed e464b1281fae627d96ddeda45cd5fec4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:46.289900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026685/publication.txt
observed 088ddec4b45faa49cdcec828a60f7958...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent