OpenTechnical

OT-2026-000049158

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000049158) never changes.

Identity and time

Publication numberOT-2026-000049158 · never reused
Internal UUID01a0ae81-134e-7610-a08d-9cf939d8c1f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049158
StatusPUBLIC

Content hashes

Canonical textf953eb549b908e0c80cfa895ed25032e8f6699c633e782349acd99e9e5144fb5
Markdown47bd4d5183b08f08a0cfe068176e413eea31d7a6d0367f3c3b7392253cbd4c03
PDF
Publication page553d393db55a04613dcb601c33379c90e0300d681dee6876d22feeeb574ad3bd
Manifestc5f2260bdd22ec9524b4e3107db3f86d326a1756be263298b0ecaf20e4d52f6a

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
Signature9rY5WW9QDFwpaIcVa+vecojesi3Fu8XzfENI9tySf9n9na4tJzEOjFdXsJpZgtg6AEECloHlHGuw6/uU/xcABg==
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

2026-09-17T11:03:57.222776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049158
observed 553d393db55a04613dcb601c33379c90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:57.203531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049158/manifest.json
observed c5f2260bdd22ec9524b4e3107db3f86d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:57.184968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049158/publication.md
observed 47bd4d5183b08f08a0cfe068176e413e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:57.166025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049158/publication.txt
observed f953eb549b908e0c80cfa895ed25032e...
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.