OpenTechnical

OT-2026-000068651

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000068651) never changes.

Identity and time

Publication numberOT-2026-000068651 · never reused
Internal UUID01a0ae90-2483-75c6-8708-813a17dd2ec7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068651
StatusPUBLIC

Content hashes

Canonical texta9a207d2c648f5abc1e84e9fb305627feb203e2b93e88d8388a6c8738721973d
Markdown4253ef141257e6557e6391899bf6f5d376da6dac2d9b76d9882e98fa7f32e2b6
PDF
Publication pagee588095d01440274a55fd244762ff99d0f0de40f1c3700c011c2fe50e2173d9d
Manifeste27115a14ba756d8420ae7bd1c0cc1a885569d3fac93fd91edf18f1708b1de88

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
Signaturel53jP5E4sXMjmkZUfMZ3FKwBJv4sdj0aYmfsWdOL2F7qW2w3eA9wU/sUoRodJGSSD4urjy8mOqtm3/vQ/V+zBQ==
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

2026-09-17T10:29:50.737046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068651
observed e588095d01440274a55fd244762ff99d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:50.720813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068651/manifest.json
observed e27115a14ba756d8420ae7bd1c0cc1a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:50.703226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068651/publication.md
observed 4253ef141257e6557e6391899bf6f5d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:50.686723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068651/publication.txt
observed a9a207d2c648f5abc1e84e9fb305627f...
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.