OpenTechnical

OT-2026-000080169

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two 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-2026-000080169) never changes.

Identity and time

Publication numberOT-2026-000080169 · never reused
Internal UUID01a0ae96-7e76-76b1-8217-b151cf68b948 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080169
StatusPUBLIC

Content hashes

Canonical textc39abad329c0fba60b536383a50a56f3a44f06243d0fd3b91d3b9e68363de910
Markdown4d436ad92575601e0bdf57fc9fcf36216f1a74e1a3e94d109a5ccdcf955a57da
PDF
Publication pagee35a5eb6e6b067181fedcc9e9e7e397bcafd047a757fddd9099743ca29122ce0
Manifesta961fef6d47261b79f0859501d6dd320eed01430455640f4443ed66b8954044a

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
SignatureAGEbQsIw39f/rWrytL5akmpzceX2zGQ5EqGljh3/tYmDc09zUVZkUExhFITCfngxU3onPCNFoILktcAbx0I/Dw==
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

2026-09-17T10:02:36.201574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080169
observed e35a5eb6e6b067181fedcc9e9e7e397b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:36.184676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080169/manifest.json
observed a961fef6d47261b79f0859501d6dd320...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:36.167008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080169/publication.md
observed 4d436ad92575601e0bdf57fc9fcf3621...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:36.148660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080169/publication.txt
observed c39abad329c0fba60b536383a50a56f3...
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.