OpenTechnical

OT-2026-000048669

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two 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-2026-000048669) never changes.

Identity and time

Publication numberOT-2026-000048669 · never reused
Internal UUID01a0ae80-c32b-77be-b0f4-e2392794da44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048669
StatusPUBLIC

Content hashes

Canonical text7e70cdf54e8f050f994b5c4d7aadeb8763f838bde9af154d21ed1beca1f8a1e7
Markdown951ad68ec3ba9dad941c85d2f708125e13c362b6abb7d66b6e666be8f495183a
PDF
Publication pagebaa7f5c2bfd4f049c07d9beaab3b59f5082b92844d2c04d6783f5f3442b9f866
Manifest96ffce71f7577cf8ebf315ce31a1268e064e7f303139eb7a09ac69754bdbaa51

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
Signaturewe/CSVICTfpIhQ0rXBBFD5ee7HpYSrnbxV3Ei4VYkvP5BoMeuPFAGk+EpMblaVNtK9R1+37pSjVOcjnGRzxrDg==
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

2026-09-17T11:04:17.460705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048669
observed baa7f5c2bfd4f049c07d9beaab3b59f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:17.441420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048669/manifest.json
observed 96ffce71f7577cf8ebf315ce31a1268e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:17.419197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048669/publication.md
observed 951ad68ec3ba9dad941c85d2f708125e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:17.399439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048669/publication.txt
observed 7e70cdf54e8f050f994b5c4d7aadeb87...
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.