OpenTechnical

OT-2026-000087538

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000087538) never changes.

Identity and time

Publication numberOT-2026-000087538 · never reused
Internal UUID01a0ae9a-cd52-7541-9b3f-843063e2186a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087538
StatusPUBLIC

Content hashes

Canonical textb94575a9e7b90ebec9e59af8824080dedf7f4f1dc46b34c989665a0541ae32f3
Markdown76324feedb2c53756424d53904f8d176686fe8ac3118da758efbc5cce45be05c
PDF
Publication page0a6fd842ba1df49f3bb5cc01a1b3eca460d971bb4d0fa57f90f46cc67bb7e701
Manifest27ffc2919025e2e78ac7e57f7a6415b6630c5b4b4df880e33376c080ca43af5f

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
SignaturegeAZ9htKzPgao1oEnt03iPfjqrbVzMcS41XnSoRipFm1ATDjMwZPvfWymzmZ0wFeVzGMisPN3Bwcq9IUSsl/Cg==
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

2026-09-17T09:50:52.696517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087538
observed 0a6fd842ba1df49f3bb5cc01a1b3eca4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:52.680309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087538/manifest.json
observed 27ffc2919025e2e78ac7e57f7a6415b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:52.664603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087538/publication.md
observed 76324feedb2c53756424d53904f8d176...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:52.648755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087538/publication.txt
observed b94575a9e7b90ebec9e59af8824080de...
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.