OpenTechnical

OT-2026-000048682

Publication integrity record

Foam pad vacuum gripper, common isolation valve, 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-2026-000048682) never changes.

Identity and time

Publication numberOT-2026-000048682 · never reused
Internal UUID01a0ae80-c32b-7d12-aac6-a04a707371c5 · 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-2026-000048682
StatusPUBLIC

Content hashes

Canonical text4be372b30a91a6d8dc6bc2094250d4f65461fb2c690f2536703f02bd871b9d2b
Markdown5914192a18eab3c04fa2858d57d6bd06420cbc60d4b79b6dc7538accd687a20f
PDF
Publication page9f4eb8393f9ff64365db9f48081f5b18419c6f8200d3134de290b3ead953704c
Manifest6ef0bab0907addec3d7470ae1d09702c5be51440d44b2cf2511b1f5e93256b64

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
SignatureVrLAnCR3tELmLtCNbkqr1Yek6Ew5venwquznq8SVdkYYIgJVLjDHY/Wcike4OV3/9EchJpHidRhLEFwycB9qBg==
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

2026-09-17T11:04:18.545139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048682
observed 9f4eb8393f9ff64365db9f48081f5b18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:18.526135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048682/manifest.json
observed 6ef0bab0907addec3d7470ae1d09702c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:18.506654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048682/publication.md
observed 5914192a18eab3c04fa2858d57d6bd06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:18.488140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048682/publication.txt
observed 4be372b30a91a6d8dc6bc2094250d4f6...
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.