OpenTechnical

OT-2026-000072955

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000072955) never changes.

Identity and time

Publication numberOT-2026-000072955 · never reused
Internal UUID01a0ae92-c815-715c-b52a-a6ec9a26d399 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072955
StatusPUBLIC

Content hashes

Canonical text8cd5626fbd53ec33c9530e4a4a2d059744da2c077df14a30f0a1dda27940978d
Markdownab04c0f526ea70927fda20c92d23182291f4aa71b209a9e8d06b7be50fb857fd
PDF
Publication page02bd901051eb2cab4300255f0cc7263e63b6639ee46bad9653a904ea8c741779
Manifestf98eb483e5f8d6ef85ad21fcba6176b1afc6a9223389d10535ca1565af3b1802

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
Signatureoe4zU0A4xi2jJNDzXTCDiAlZHza8Fvzuv4UhpfJZa0+anzijDT0uLieNIyU0cwxdNc81Rwt/zFEJjVAoDEbtDA==
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

2026-09-17T10:21:52.704795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072955
observed 02bd901051eb2cab4300255f0cc7263e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:52.688247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072955/manifest.json
observed f98eb483e5f8d6ef85ad21fcba6176b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:52.671354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072955/publication.md
observed ab04c0f526ea70927fda20c92d231822...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:52.655851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072955/publication.txt
observed 8cd5626fbd53ec33c9530e4a4a2d0597...
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.