OpenTechnical

OT-2026-000067778

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000067778) never changes.

Identity and time

Publication numberOT-2026-000067778 · never reused
Internal UUID01a0ae8f-c4fa-7b6b-b74b-012605d410c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067778
StatusPUBLIC

Content hashes

Canonical text8c56f4dea9b4c044d734f8c2a4a99a3b034722982c00f53b7269a0b30355f779
Markdownf97bd3d55c4a26b0af7ff272599990f6d07de443f60e7715b8ff9870827f6c94
PDF
Publication pageb1e467cebe01d310d552be4c07884de4863332f9f895f23ef726cf8f111a5f7d
Manifest13b6b3b2a043ad00a0c748e1d3ef81b459626da01f0573639f7dfa202a365353

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
SignatureSq8bMldhzGfJty/lVXOgeNtCJ7u35r3+spC3f/CyZ1aAFIJ4c8nM4MBWPBF4CPVw/1B4muRrc76mzw0gouZgBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:00.652304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067778
observed b1e467cebe01d310d552be4c07884de4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:00.634661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067778/manifest.json
observed 13b6b3b2a043ad00a0c748e1d3ef81b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:00.614314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067778/publication.md
observed f97bd3d55c4a26b0af7ff272599990f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:00.573879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067778/publication.txt
observed 8c56f4dea9b4c044d734f8c2a4a99a3b...
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.