OpenTechnical

OT-2026-000088574

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000088574) never changes.

Identity and time

Publication numberOT-2026-000088574 · never reused
Internal UUID01a0ae9b-8f0f-7d87-b265-9e7447433af8 · 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-2026-000088574
StatusPUBLIC

Content hashes

Canonical text0b7f6abbd6cf6c8824555aed0012a4323e6c022e3a96ee5ef856c555158259f6
Markdown2ee686b8e91e1244908f6d2c73b2ddc2f79f151bc7bf5446b3ab50f19ad23237
PDF
Publication pagef1def2841c5cac605611fc1b2d595c8085eb412f1d529da517f61304364d3b25
Manifest42cfe9adb66b7629123c3f9763559007a3c1b33153edbbf99d94582a5688c05f

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
SignatureQiDtuBJCmmaf6vadWmU9ItywYkRYnMzvsOi2V5/giZx0+FYJluMNPWfPpHurTdP9HpZAz4leJvRs3CaOnBzRCA==
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

2026-09-17T09:47:45.689302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088574
observed f1def2841c5cac605611fc1b2d595c80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:45.672698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088574/manifest.json
observed 42cfe9adb66b7629123c3f9763559007...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:45.656972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088574/publication.md
observed 2ee686b8e91e1244908f6d2c73b2ddc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:45.640451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088574/publication.txt
observed 0b7f6abbd6cf6c8824555aed0012a432...
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.