OpenTechnical

OT-2026-000022899

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pulsed blow-off before 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-2026-000022899) never changes.

Identity and time

Publication numberOT-2026-000022899 · never reused
Internal UUID01a0ae70-46eb-7bec-a73f-dd81dd4e7da8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022899
StatusPUBLIC

Content hashes

Canonical text3b10c0d31acc406aba9c7474de883927c6068f81600c8f1a8c8dd0a9195986d4
Markdown6ba7602a490a8d477b7e683a20b06f84819e0748eb4bbff9c3343db8eb79dbd0
PDF
Publication page94c7df3abc52da94c2cefa061ba9c634bc373428ae7ed912f1196b77dc611593
Manifest29b5e1f35002fff9b47706fc5af2dc32a8ab3f6c95ca2c09583fd5f0e13e2604

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
Signature8aAp0FtUSPqg6E76I6BDDEml7xFkQRWoZ3T6afCeGc/YTnwoI32ITXUfPFc0vkMemR+d28yKrIznuzpbttEHDQ==
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

2026-09-17T11:52:28.260285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022899
observed 94c7df3abc52da94c2cefa061ba9c634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:28.245176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022899/manifest.json
observed 29b5e1f35002fff9b47706fc5af2dc32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:28.228857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022899/publication.md
observed 6ba7602a490a8d477b7e683a20b06f84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:28.213156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022899/publication.txt
observed 3b10c0d31acc406aba9c7474de883927...
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.