OpenTechnical

OT-2026-000088256

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single 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-2026-000088256) never changes.

Identity and time

Publication numberOT-2026-000088256 · never reused
Internal UUID01a0ae9b-5d26-75e0-8b2f-41775fc2132e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088256
StatusPUBLIC

Content hashes

Canonical text0c344f2cc97d9b6c25420340f94374046fd4bb20b5bec1b76d0a3f0f0f4402f6
Markdowna7d1616cfbccfc9637018bfbd3351feeda5650a4fce359084414f8b74c5c05ff
PDF
Publication pageb5d28874ecbd6dec1d7ef8114d357098a19663ca37441d6e05e8e07a7f5ccfe3
Manifesta57fda3d744229e9e22626094c4ae0d224d54d858ed2c3058d00548f1f34ba21

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
SignatureeckKEdcCIIUkHqJfo7tMhoOwcpjxkJU71mG93RFTKl66ybcx1I8RnbAj1H8FxyZoSggtdGYdpwgtlF3zlYvwCQ==
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

2026-09-17T09:48:33.397211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088256
observed b5d28874ecbd6dec1d7ef8114d357098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:33.379149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088256/manifest.json
observed a57fda3d744229e9e22626094c4ae0d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:33.363030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088256/publication.md
observed a7d1616cfbccfc9637018bfbd3351fee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:33.345526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088256/publication.txt
observed 0c344f2cc97d9b6c25420340f9437404...
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.