OpenTechnical

OT-2026-000088089

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three 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-2026-000088089) never changes.

Identity and time

Publication numberOT-2026-000088089 · never reused
Internal UUID01a0ae9b-1aa7-7736-9472-4d51e94c3b6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088089
StatusPUBLIC

Content hashes

Canonical text34f81d87d5606e95643539ea7fc4f9b125a76584f77a1f91a7b453e9a3feb6c5
Markdown80e6960532caf4f3ed97aab7a57eb79ce5448ffc7bbbb1dc8ac2a3ae08f7339c
PDF
Publication page138df447958d8950ea137c387cc28fd0230caa92e9a32d3a165783d72e25616d
Manifest725f3a6f95f62479538b55a1eee0c60287a1d2260f459f14536d9d86caed7570

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
SignatureANXNPP27xKpuDrq6a9/y0x2PvqDsftSTBx80JuaqVUynoAkKYbYvVIxqz96EnnYWMosJp1sOtbfM8XNgS4erAw==
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

2026-09-17T09:50:05.863039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088089
observed 138df447958d8950ea137c387cc28fd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:05.842551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088089/manifest.json
observed 725f3a6f95f62479538b55a1eee0c602...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:05.819117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088089/publication.md
observed 80e6960532caf4f3ed97aab7a57eb79c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:05.799805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088089/publication.txt
observed 34f81d87d5606e95643539ea7fc4f9b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:05.032844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088089
observed 138df447958d8950ea137c387cc28fd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:05.014271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088089/manifest.json
observed 725f3a6f95f62479538b55a1eee0c602...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.994322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088089/publication.md
observed 80e6960532caf4f3ed97aab7a57eb79c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.972663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088089/publication.txt
observed 34f81d87d5606e95643539ea7fc4f9b1...
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.