OpenTechnical

OT-2026-000097575

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two 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-2026-000097575) never changes.

Identity and time

Publication numberOT-2026-000097575 · never reused
Internal UUID01a0aea1-92f1-70e2-90d2-4776447d3764 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097575
StatusPUBLIC

Content hashes

Canonical textf2d5c9968378de24c04b59440f463c369be30fd5ac190eda168f55d72735d02e
Markdown67deecba9a4d797ec6d35a8b4fe6a13a760a4427bcc6309ca75d452fb7148df4
PDF
Publication pagea5f35fc647f1366aa5da592a44aeb88f9d792d1ae5f7e92bd5eb6ebe518b41bc
Manifest0190a34c431bfc76510f87e59455168e28801049d125fcdf40d0ea91ea231eb0

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
Signatureitih5gWRvxQlrA7dduyV2yJ3clf8TFwQAMwfk9ttrww+VznYtABsm97YoeBPRH6jQYC1jjMuvJQAnYMHam2TAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:29.297333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097575
observed a5f35fc647f1366aa5da592a44aeb88f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:29.279707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097575/manifest.json
observed 0190a34c431bfc76510f87e59455168e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:29.262074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097575/publication.md
observed 67deecba9a4d797ec6d35a8b4fe6a13a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:29.244383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097575/publication.txt
observed f2d5c9968378de24c04b59440f463c36...
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.