OpenTechnical

OT-2026-000088600

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000088600) never changes.

Identity and time

Publication numberOT-2026-000088600 · never reused
Internal UUID01a0ae9b-8f0f-7452-9398-c8365883348a · 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-2026-000088600
StatusPUBLIC

Content hashes

Canonical text2351f0749f5a3823ed8f300c1e84b35cb14fae9ce9f2d94cc0c84767937be232
Markdown4a841b64ea9992b7d1ed4a84a9a90197d0169fcbeb19cf8b74c0a7c41347c1dc
PDF
Publication page2d2e6b3b12dd1e9401b91b3f2a49a3651fdd612b617fa379e25f06aa06ddae34
Manifeste04c7d8cf51fa8c31d9dc4378443b4414b47d604c53b28e2a023751b66c1feda

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
SignatureR+/ffCK8V7rsjG+Q5CDF6LK0yt7bQhWep4XB/RAclH6+mvpzcFUzbMuGR49IZNGMGt3uG+5LD+5QfbzSA3nXBw==
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

2026-09-17T09:47:48.216795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088600
observed 2d2e6b3b12dd1e9401b91b3f2a49a365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:48.198624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088600/manifest.json
observed e04c7d8cf51fa8c31d9dc4378443b441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:48.179911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088600/publication.md
observed 4a841b64ea9992b7d1ed4a84a9a90197...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:48.160497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088600/publication.txt
observed 2351f0749f5a3823ed8f300c1e84b35c...
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.