OpenTechnical

OT-2026-000088354

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000088354) never changes.

Identity and time

Publication numberOT-2026-000088354 · never reused
Internal UUID01a0ae9b-5d27-7239-a753-8ddad66ae80d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088354
StatusPUBLIC

Content hashes

Canonical text617b0db599d4c75181bd5669d82a53c2fd9f0dd3346b7f5d3cc0611c4561a56d
Markdownb7abfa7b02306d8150761a96e71c6ef99528e34d7ba2feb896e47fe72091fa4f
PDF
Publication pagea8b12fa3a04a76dfc227cf0afff8331e954c0087ddfac1e142a613c9e215b069
Manifestf6cf840c144d853a25e6feedfe147df73d0c2f8fef2025e5b70771ebcb3f088a

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
SignatureIX+Cy62CNjn1DywHXBlSVsKexkjct+CPZDCTnf/OHo8R8WPRaXYOcjbHOAh7S/63JIsn/LLJfl0K2yuOKqGhDQ==
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

2026-09-17T09:48:41.885550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088354
observed a8b12fa3a04a76dfc227cf0afff8331e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:41.867585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088354/manifest.json
observed f6cf840c144d853a25e6feedfe147df7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:41.849779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088354/publication.md
observed b7abfa7b02306d8150761a96e71c6ef9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:41.830520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088354/publication.txt
observed 617b0db599d4c75181bd5669d82a53c2...
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.