OpenTechnical

OT-2026-000026142

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line 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-2026-000026142) never changes.

Identity and time

Publication numberOT-2026-000026142 · never reused
Internal UUID01a0ae71-a840-7ab4-9fe6-87768de11f79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026142
StatusPUBLIC

Content hashes

Canonical textd8db3702b908678b757686b8b1002a81e55a3ef8000c1973abae2a156f7d8dbe
Markdown7dc867c496665736332bfa2cd85bcf89dc3affec3b8bb55b835b56b15e3e409e
PDF
Publication page9aa1c465f04018fb48deec5bad6d4ad6308890c599cf65d5e6e555c907a546bb
Manifestf8c544a31a5b1946e3bc697e681b86275b659e58611bd601071248ae7980f453

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
SignatureR1ZtBZEKKZIb4AGsxfnr0AIFixAXN0xk4PsNxU67tY97szhErwLRSLVd091rbMP7Bh+ewK+4OLz+BrcrvJzUBw==
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

2026-09-17T11:46:38.934257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026142
observed 9aa1c465f04018fb48deec5bad6d4ad6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:38.916581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026142/manifest.json
observed f8c544a31a5b1946e3bc697e681b8627...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:38.898635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026142/publication.md
observed 7dc867c496665736332bfa2cd85bcf89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:38.881803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026142/publication.txt
observed d8db3702b908678b757686b8b1002a81...
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.