OpenTechnical

OT-2026-000098156

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, 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-2026-000098156) never changes.

Identity and time

Publication numberOT-2026-000098156 · never reused
Internal UUID01a0aea1-e963-772a-9eba-eded87aee4f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098156
StatusPUBLIC

Content hashes

Canonical textf21866c0ecf37aef7d2fbf058ee96017108054f6caa0181f4fdd96ae7cbeba8d
Markdown50bcdbe7d20e7bce1e7d3f35647fb865fe2bcee553a737b441a999dd33e95b69
PDF
Publication page438578ff17baa2b793145257127270211d6a3ff1dbb11b43a82b8d97cea134c2
Manifest4ae667ee850e96395bb637d822e3a7b7f0859ae51768b84b830869d234296d48

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
SignaturernNiILbc9s7cS82BjmPMS+IOM9B0gkUFnzG0MPMLtuA0H+REqsqe8YJr1apOEvaFXvClcbKogTyGIH/6+FEeDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:18.343991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098156
observed 438578ff17baa2b79314525712727021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:18.326464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098156/manifest.json
observed 4ae667ee850e96395bb637d822e3a7b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:18.310687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098156/publication.md
observed 50bcdbe7d20e7bce1e7d3f35647fb865...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:18.293979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098156/publication.txt
observed f21866c0ecf37aef7d2fbf058ee96017...
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.