OpenTechnical

OT-2026-000101023

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000101023) never changes.

Identity and time

Publication numberOT-2026-000101023 · never reused
Internal UUID01a0aea3-c377-7845-89c5-eb5372a81eab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101023
StatusPUBLIC

Content hashes

Canonical text5633720c2982590c916ac7e19653db71a8e1387edd31cbbb97bee91e6d0eb059
Markdown3af9a52a4fd092e4dc22f20eee6cf7232af99527e02a303e41123635ff027c0d
PDF
Publication page3aaccf318eaa894c0b68909f27550b0192d847c55894887abd5d9649b6fe64e1
Manifestf23ae40b0a1a38849a07131cceeb13539f6a53e177ba708ec2105ad544692ea2

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
Signatureq2AmYmKozIrGH6K/hcCLEeIW6skSlNYymk1IgytmZ84EgeeS2jN5Nmnch/3/ZkdS1NMi8oDPiFYI9IOSdFCRBA==
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

2026-09-17T09:26:37.731277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101023
observed 3aaccf318eaa894c0b68909f27550b01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:37.713297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101023/manifest.json
observed f23ae40b0a1a38849a07131cceeb1353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:37.694880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101023/publication.md
observed 3af9a52a4fd092e4dc22f20eee6cf723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:37.677232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101023/publication.txt
observed 5633720c2982590c916ac7e19653db71...
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.