OpenTechnical

OT-2026-000098541

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000098541) never changes.

Identity and time

Publication numberOT-2026-000098541 · never reused
Internal UUID01a0aea1-e966-702a-9038-de30ce2ca0c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098541
StatusPUBLIC

Content hashes

Canonical text7006a367cd8a56f57bc61e68ceaaf586c523315d0e19371c49aec814de9f1e01
Markdown08999bb5b0627526e36d0b14e10deff43c855996ad793e8cb39b610a06c1889d
PDF
Publication page73dd122dd44804a7d9e0da803e4bd4241836a38483b185e5ee8fd96e9c71a49f
Manifest648d237f8dc506992a300121614280e6a14e0023fb715c6032b4994c5cc4eb20

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
SignatureeXBDkEH5IBcsXL97X/+yF7YvChS25F5HbdrjD8McdWCXwMNVDzhcUos2g0Ze7Ynke0UAyxo1l+LUu12OmdGkDw==
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

2026-09-17T09:32:25.301203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098541
observed 73dd122dd44804a7d9e0da803e4bd424...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:25.283917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098541/manifest.json
observed 648d237f8dc506992a300121614280e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:25.265029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098541/publication.md
observed 08999bb5b0627526e36d0b14e10deff4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:25.247784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098541/publication.txt
observed 7006a367cd8a56f57bc61e68ceaaf586...
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.