OpenTechnical

OT-2026-000071470

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, vented 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-2026-000071470) never changes.

Identity and time

Publication numberOT-2026-000071470 · never reused
Internal UUID01a0ae91-e0ed-7385-b068-91945acf6981 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071470
StatusPUBLIC

Content hashes

Canonical textc36f71eddf3582d112e969c0880c2393f8c552c4fa6f95e364c75dc299d6608f
Markdowneeab49bf368716ba4948e93e0fcd22e0c63a2ca866c48f1704e6784e2da573f3
PDF
Publication page06e82a976257cdd922c61f14517bf5d0b873d4d4e554382f44717c882c23b228
Manifestcf237502e0125b92853d688db76c439c5f1f20af56af507adc5aa13bb72a632a

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
SignatureJShk5qL+rYC3RNzy3eLaQnwocAq2VuhYZmaS6v6y2KXxDe38mH2Z9hUpULfwZpJ3S9pVdqcX3Ynwo+HSm1MWDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:06.703906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071470
observed 06e82a976257cdd922c61f14517bf5d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:06.683918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071470/manifest.json
observed cf237502e0125b92853d688db76c439c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:06.663762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071470/publication.md
observed eeab49bf368716ba4948e93e0fcd22e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:06.648116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071470/publication.txt
observed c36f71eddf3582d112e969c0880c2393...
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.