OpenTechnical

OT-2026-000061617

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single 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-2026-000061617) never changes.

Identity and time

Publication numberOT-2026-000061617 · never reused
Internal UUID01a0ae8b-7b45-7d55-8133-dc6b8006113e · 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-2026-000061617
StatusPUBLIC

Content hashes

Canonical text4741febe35066a0e77be310faf5886630b407a6cfc9cdb9bd438f5e655b9290e
Markdown7443a334b526bbf79a9b81b76e6a81b45b4cb4571c118ac754aec6cde022089b
PDF
Publication page3e9e2f013a7ec3232a1542f904c02191efaa923300611d3b15f46f8729f64e34
Manifestdc960f3c8fe0a63c4b291e1363aa5af4cd4387048c55aae37d07b0d3cf63a6b8

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
SignaturekBfiitNArxkVVlOP4l6mVcv3v66s0jQOB9CEhEBXMnrO8p6Jze7ajACioCkPRCBauM0jbQOFCONY2f9UtCZECQ==
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

2026-09-17T10:41:32.944181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061617
observed 3e9e2f013a7ec3232a1542f904c02191...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:32.924343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061617/manifest.json
observed dc960f3c8fe0a63c4b291e1363aa5af4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:32.906824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061617/publication.md
observed 7443a334b526bbf79a9b81b76e6a81b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:32.888757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061617/publication.txt
observed 4741febe35066a0e77be310faf588663...
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.