OpenTechnical

OT-2026-000062318

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000062318) never changes.

Identity and time

Publication numberOT-2026-000062318 · never reused
Internal UUID01a0ae8c-0abf-7c27-b4ec-308af09cd18a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062318
StatusPUBLIC

Content hashes

Canonical textb2a80509206134e75bd3384d82a8e4fd0ab5a99f869794dcededac7a34ce7247
Markdown79e3a03b776f7f5eb64f2a0e4f58d34560d38a84fba8d77c26161e31a6f96b7b
PDF
Publication pagec623b09b26a323da5072f884f6846e221917ce84742d552f868594e1cf0e8ac6
Manifest87fb70038dd58ac0b5f4bcc7324dbe906d996c69d9f35716d14396feda7be391

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
SignatureRaINkWdQyW1Up7exYlRq6WfphZOl4iWsxTb4KueDMChdg9S5GOgY+uUsp0sqvLrUuP1LGRNUVH/JjZrIACp9Bg==
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

2026-09-17T10:39:37.331891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062318
observed c623b09b26a323da5072f884f6846e22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:37.315872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062318/manifest.json
observed 87fb70038dd58ac0b5f4bcc7324dbe90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:37.297005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062318/publication.md
observed 79e3a03b776f7f5eb64f2a0e4f58d345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:37.278246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062318/publication.txt
observed b2a80509206134e75bd3384d82a8e4fd...
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.