OpenTechnical

OT-2026-000103618

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, 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-2026-000103618) never changes.

Identity and time

Publication numberOT-2026-000103618 · never reused
Internal UUID01a0aea4-e461-71d4-8900-0c58fd56bdd1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103618
StatusPUBLIC

Content hashes

Canonical textd68129adb66ec2f802fb3b9ed1f1c13f425d6b2b77365eff8db3398b8e138654
Markdown395c181b1c56f10e1052c34b61c0c950ba6fd4a4e99879f78cbbbbc8d8381374
PDF
Publication pageff1d794eb3950ae3b6549f5b2a34906e8f736aded001d7c54836c8ef3c67dc51
Manifest8607c9924cd13c58623d12d7fe57fb5430308d606ae7433e12487a54e7aac7a0

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
SignatureqJFQAQSw+Knyo1/fIqc35uUw7dR+ZbdkEVR8l3nSYdOcfvpOgBkJXe/MQKW9Jocv2btShewbB7uwGNFxizc7Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:24.628104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103618
observed ff1d794eb3950ae3b6549f5b2a34906e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:24.610961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103618/manifest.json
observed 8607c9924cd13c58623d12d7fe57fb54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:24.594169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103618/publication.md
observed 395c181b1c56f10e1052c34b61c0c950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:24.577295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103618/publication.txt
observed d68129adb66ec2f802fb3b9ed1f1c13f...
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.