OpenTechnical

OT-2026-000081715

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, sustained 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-2026-000081715) never changes.

Identity and time

Publication numberOT-2026-000081715 · never reused
Internal UUID01a0ae97-0f73-7e79-9d3b-26e146184762 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081715
StatusPUBLIC

Content hashes

Canonical textbd122b630a6ad68ef796d578e8f8cecde7163745afff2c7da10d4c98ae0b8142
Markdown4e8357005256ec583840a24c67eff3be4e8033a072bcdceea16c42d31cca25b7
PDF
Publication page0dd3fd65e888e788344f92fb70d03af271ef9c40309db451468fffc1d7b86e8e
Manifest6793ba85425d9a34d571ad5faaa54340465d581584f5c0faa3dad2bfaee0e5bf

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
Signature8oFmLRB0DbstZLdTEGEQr6qdqIgjrFTgMBjm3Ryz+dTTd14DOzK3GZZBvd3XwrgyF6fmiNgaVqNBmoN9+/xLAA==
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

2026-09-17T09:59:47.399211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081715
observed 0dd3fd65e888e788344f92fb70d03af2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:47.381759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081715/manifest.json
observed 6793ba85425d9a34d571ad5faaa54340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:47.364736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081715/publication.md
observed 4e8357005256ec583840a24c67eff3be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:47.348085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081715/publication.txt
observed bd122b630a6ad68ef796d578e8f8cecd...
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.