OpenTechnical

OT-2026-000075385

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, manifold 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-2026-000075385) never changes.

Identity and time

Publication numberOT-2026-000075385 · never reused
Internal UUID01a0ae93-f201-7b41-8477-6e4dda0c6656 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075385
StatusPUBLIC

Content hashes

Canonical text31b4944e88e71bbb2c12fbd7f7937cca6f707bf7dece60858358b854997909c7
Markdownae10a764808a60fd5b19db1e6da9d0a029498561af715cbc5f916d0278934350
PDF
Publication page8d5bc0ff3b9a0ce39c5a7cd8eb09096ac78acbaef8732c0d8e2aa49e065d394d
Manifest80ad930bacace35bdf789bc61086450dd7219145eead1ec560478287715c7352

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
SignaturegxT/xxEzAzq+nKxzPFv6DAzki/veVaEJKtL6r3bQNFtHrdi4FXKc4DYWjR+VrMWi5ppUuJkigblfJcsOFDLQDA==
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

2026-09-17T10:17:25.697266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075385
observed 8d5bc0ff3b9a0ce39c5a7cd8eb09096a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:25.557998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075385/manifest.json
observed 80ad930bacace35bdf789bc61086450d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:25.540829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075385/publication.md
observed ae10a764808a60fd5b19db1e6da9d0a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:25.523073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075385/publication.txt
observed 31b4944e88e71bbb2c12fbd7f7937cca...
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.