OpenTechnical

OT-2026-000046516

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000046516) never changes.

Identity and time

Publication numberOT-2026-000046516 · never reused
Internal UUID01a0ae7e-57dd-7ed4-9448-3be2005d4470 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046516
StatusPUBLIC

Content hashes

Canonical textf4e4292d5f6b792d50145155381cdad199ec4b82261b969cf23a2e4d694044a9
Markdown8cfcf30db57a0de4ff015ec3c9a3c4f250b695e82ff6dacb4787a52ef1986c94
PDF
Publication page521f49dce427f08cb582371437b85c1b5c3ed4e7ae22ac11bb79ec40d0f5e19b
Manifest8c3aef9f741081a9d81700d4c3af5ab0e075d8e6517e34225db8a03e648cd538

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
SignatureJvOBCbdi/e4HEBBJTwA6ouMkU9Si2QZeUjMPWGo8JqpOAlhASq2L5mNSrK/8K3e3gjuZRCWUuDda5OBzZp9lCQ==
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

2026-09-17T11:08:33.742742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046516
observed 521f49dce427f08cb582371437b85c1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:33.721830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046516/manifest.json
observed 8c3aef9f741081a9d81700d4c3af5ab0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:33.701659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046516/publication.md
observed 8cfcf30db57a0de4ff015ec3c9a3c4f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:33.678535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046516/publication.txt
observed f4e4292d5f6b792d50145155381cdad1...
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.