OpenTechnical

OT-2026-000027478

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000027478) never changes.

Identity and time

Publication numberOT-2026-000027478 · never reused
Internal UUID01a0ae72-6998-76aa-ab07-863cf02677bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027478
StatusPUBLIC

Content hashes

Canonical textca3bc4bd97e2e78658e0ded09bc291d66c459674dbc366a222f66b0e3c84b4ee
Markdown65520bd088c659116920bf860a1cffdc4b892b46c19508611aa3e4b5d3089cef
PDF
Publication pagece57220639a85e16a090b4e92e6b2ac772b824c549f95b862aa010c8648a5f94
Manifestea67c600799ef0fec745b77cf68c0ef8dd615f0bdb36db45548850a0f603425a

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
SignatureTrV2Et09958viLY8OERMAhhxzYW8hZ2o6vo29lQ7iGNqJT43yesmc2uX7Ry9hmWaaAf2wfyz1QtClQ0tWH5QAg==
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

2026-09-17T11:42:56.473191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027478
observed ce57220639a85e16a090b4e92e6b2ac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:56.456581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027478/manifest.json
observed ea67c600799ef0fec745b77cf68c0ef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:56.440065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027478/publication.md
observed 65520bd088c659116920bf860a1cffdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:56.423224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027478/publication.txt
observed ca3bc4bd97e2e78658e0ded09bc291d6...
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.