OpenTechnical

OT-2026-000089124

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, 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-2026-000089124) never changes.

Identity and time

Publication numberOT-2026-000089124 · never reused
Internal UUID01a0ae9b-db00-7331-b51e-c20fd31f4c88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089124
StatusPUBLIC

Content hashes

Canonical text8c024132b98170e74018ec8baa42d1718fe52cc0b29abe797964207aeda41e67
Markdown4bac2a8353b42228f4ccc457f654f8b1046a112f2631e74f5be7926a57712706
PDF
Publication pagebb6f476f1d7d5e9d5c03e51383a8f66ca518de4c32e01bea2b69cb96143580ce
Manifest03cd0b430a633f52884fd683e46005b821ef453e620495badf4b82c6f2184d25

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
Signature2MERoj4QCSyXdJDkYv8Q5ADUaOwvvxJ5oXZ9cF68qSxvorM0seaM/qZaMtTZ9PJly1lnxgb5d1Idxtwn22AvBQ==
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

2026-09-17T09:47:02.306439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089124
observed bb6f476f1d7d5e9d5c03e51383a8f66c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:02.287481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089124/manifest.json
observed 03cd0b430a633f52884fd683e46005b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:02.268978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089124/publication.md
observed 4bac2a8353b42228f4ccc457f654f8b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:02.250478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089124/publication.txt
observed 8c024132b98170e74018ec8baa42d171...
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.