OpenTechnical

OT-2026-000061554

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, vented 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-2026-000061554) never changes.

Identity and time

Publication numberOT-2026-000061554 · never reused
Internal UUID01a0ae8b-7b44-7ecb-ab03-56dd7b89daa6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061554
StatusPUBLIC

Content hashes

Canonical texta0f641cca319a3edcead25b72afe3cbdde092d20feb68bdcb72661574e2468ec
Markdown4d484b7f26bcec4e1d100a00b349eaa1f7ee731e93fba713a4fd8a88cff3502b
PDF
Publication page29a783cee1fc110395487420f59810e0557c8086cf487f50e5c58811cca4db38
Manifest23e73c2123210724edb73701af6d8ecbb118deac6598070d4068c2645d61055a

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
SignatureLBL1I8U8V+ZC+NeDXOqWc7f4nSZYm1aswVNWucraYUcRUlAl6t0syijfR+RwUzVGsBj4B6XnglVlqE7cAWKvCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:27.987149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061554
observed 29a783cee1fc110395487420f59810e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:27.969478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061554/manifest.json
observed 23e73c2123210724edb73701af6d8ecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:27.952170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061554/publication.md
observed 4d484b7f26bcec4e1d100a00b349eaa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:27.932955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061554/publication.txt
observed a0f641cca319a3edcead25b72afe3cbd...
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.