OpenTechnical

OT-2026-000088569

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, 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-2026-000088569) never changes.

Identity and time

Publication numberOT-2026-000088569 · never reused
Internal UUID01a0ae9b-8f0f-734d-a622-e0c2895fcb5d · 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-2026-000088569
StatusPUBLIC

Content hashes

Canonical text36eb29ecdffeb67a0b05b4eb57e0b96b2b15a1098ad0a455e459db45ef825330
Markdown2a58df1d610583e914ccc48e829a96cbcc201958116fab5e2e1e0bae57c03965
PDF
Publication page9e8ca8e73ea5fc2e2457bb63b4007021f0e0e31308079bb5eb7897508f933db6
Manifestde7d7de5bc7db2a71696ab4203ac712e7c9281094f5921d89d6e6202fbd2866f

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
Signature28NHxAf1AVYclnKbiV7LqtOfMIiR0TQwrE/xLUHBb6byEGQCkprcDG7DjcP5KCSwNBPNHOldZvcDTkFnOFFeCA==
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

2026-09-17T09:47:45.318025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088569
observed 9e8ca8e73ea5fc2e2457bb63b4007021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:45.298633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088569/manifest.json
observed de7d7de5bc7db2a71696ab4203ac712e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:45.280903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088569/publication.md
observed 2a58df1d610583e914ccc48e829a96cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:45.263274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088569/publication.txt
observed 36eb29ecdffeb67a0b05b4eb57e0b96b...
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.