OpenTechnical

OT-2026-000043270

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, 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-2026-000043270) never changes.

Identity and time

Publication numberOT-2026-000043270 · never reused
Internal UUID01a0ae7b-327d-742e-b06a-2a3c11272073 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043270
StatusPUBLIC

Content hashes

Canonical text90808a4e877c344106e424c8e8bab3375018a27c9cf4c99d401fd9b09fe7d881
Markdown10415d624423041ff350bfa4703506dcc8fe6e58a26d4817ab15b6e3dd9c3a58
PDF
Publication page0f225915ac1392c3c4817b8189fa9510b282969821cca7a2142634d65906e2af
Manifestc280eaf2a26622747c52a0fd16c9d3ada2b9c39bca376ce89baff79f7ccf793e

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
Signature5mGhhh4DyX5Kiag4E/cImgxlt5We+jpvu1s+tvMe1aDYREn+zTA/dgMFk/Ii/nsjLfBF5ga6TFnSoJbUqmWYDw==
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

2026-09-17T11:13:45.380137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043270
observed 0f225915ac1392c3c4817b8189fa9510...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:45.356901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043270/manifest.json
observed c280eaf2a26622747c52a0fd16c9d3ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:45.334303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043270/publication.md
observed 10415d624423041ff350bfa4703506dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:45.315608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043270/publication.txt
observed 90808a4e877c344106e424c8e8bab337...
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.