OpenTechnical

OT-2026-000101491

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000101491) never changes.

Identity and time

Publication numberOT-2026-000101491 · never reused
Internal UUID01a0aea4-0e14-746e-b3cf-374546300c79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101491
StatusPUBLIC

Content hashes

Canonical text9f29f0a4818235b27561854f013a3dd1c05dcdc9ab97fd8f44fb4d7959c0b615
Markdown7e0729bee40b28d1b48a1f83869a03fcc4522f3861a060faf0ed2594666d140d
PDF
Publication page3c39f0af9f8ca49a77beec278870eb8fb89c57bee3ae8cd5ec46384ac27ee210
Manifest7312211cdce09151dd4596a9fdd8c9fb454c6c5f38bb9b34c4a513ce262fe544

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
Signatures4BYPQAFIfMCgXHwhmmPkvNFoHBJVLJJqhK7HRFC/f1aJN/FI2c7dUz16NtchmHufGVIFzX/b1F9bP7aUsVdBQ==
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

2026-09-17T09:26:04.884721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101491
observed 3c39f0af9f8ca49a77beec278870eb8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:04.865202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101491/manifest.json
observed 7312211cdce09151dd4596a9fdd8c9fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:04.845683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101491/publication.md
observed 7e0729bee40b28d1b48a1f83869a03fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:04.826684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101491/publication.txt
observed 9f29f0a4818235b27561854f013a3dd1...
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.