OpenTechnical

OT-2026-000088687

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000088687) never changes.

Identity and time

Publication numberOT-2026-000088687 · never reused
Internal UUID01a0ae9b-8f0f-7ec3-8ff8-705de6bae52b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088687
StatusPUBLIC

Content hashes

Canonical textc82020ec3fa2e2cb954553eb08bd515316afb254919cb133dfb6e737064d2c6d
Markdown13501979fb467a12db2f65c2782cfd7d1a8b19d643631737d4114e5648a71cbf
PDF
Publication page9c5f5cc61f8b80aa229fc58c86f10ddb03cea9bfa11327d2afcb265a3be39825
Manifest5cae7fc5869626def0e05a739f7b8b29f3298374aa3f0e97de0cf65ff667e7d4

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
SignatureijiBcyhiFTBj8Egg0+wnct+VU8sg2h9P33+Ev+mar2v2nyUDKkXmxS+Skv2OY6p0fAnfYjN41gxxi4xgvRYsCg==
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

2026-09-17T09:47:55.119427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088687
observed 9c5f5cc61f8b80aa229fc58c86f10ddb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:55.098571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088687/manifest.json
observed 5cae7fc5869626def0e05a739f7b8b29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:55.079533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088687/publication.md
observed 13501979fb467a12db2f65c2782cfd7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:55.061690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088687/publication.txt
observed c82020ec3fa2e2cb954553eb08bd5153...
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.