OpenTechnical

OT-2026-000060117

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000060117) never changes.

Identity and time

Publication numberOT-2026-000060117 · never reused
Internal UUID01a0ae8a-5a71-79fd-9ec4-c213c47ab031 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060117
StatusPUBLIC

Content hashes

Canonical text7962e76ee762377d2dfb6e4d522f7f6cc2792f5653967895dcfe9ed8cae41a0e
Markdownd4353db6f07c6da305408055bd022492fef73a846d886ce215d381ac663bb0e1
PDF
Publication paged100468ed88ecd5b2a85566a600547184ed6ec9612f38c81fe2602f472143d8d
Manifest7be7839668c6ee663545f0f963159125e194be8162e83cc98d245f9a039bb348

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
SignaturegOMf8mj8A1ypsbOKg2F1+7sN5AYDZq92Li6VnGABBhcvQHpEF/GHpiUNKQHw9C43shj4Qf1v5SXMku4iOOREDA==
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

2026-09-17T10:43:45.931016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060117
observed d100468ed88ecd5b2a85566a60054718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:45.912238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060117/manifest.json
observed 7be7839668c6ee663545f0f963159125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:45.896065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060117/publication.md
observed d4353db6f07c6da305408055bd022492...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:45.879301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060117/publication.txt
observed 7962e76ee762377d2dfb6e4d522f7f6c...
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.