OpenTechnical

OT-2026-000025726

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, 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-2026-000025726) never changes.

Identity and time

Publication numberOT-2026-000025726 · never reused
Internal UUID01a0ae71-9bca-7e11-9168-3b6f614350a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025726
StatusPUBLIC

Content hashes

Canonical text49027440e425e4bf7a71630ab58b5f2c24926dc5e7f829bfcd93627a2adfcabb
Markdowneddc17f5a8d800ea370f665f8b64873f67b1f642806f3cead4e7c86f04b4da55
PDF
Publication page66c3fa14cbfe2ca2c2ccec9c5b96b0c7729bcc7e4ae52c8667d21bfb2e047544
Manifestf50d773032ef0de9b237bbdd3fa84cf88b165ed04b4af1f83f9dad67b90eb88f

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
Signaturem5Ns2CkiRGVp/VZAnsAJraonmVSBC+R5YORSWuVKd9XZyEdKQ+yH2GnANF8UaB5N4XSAsqWCR0Ydt5/Wfl7dCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:56.767360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025726
observed 66c3fa14cbfe2ca2c2ccec9c5b96b0c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:56.748931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025726/manifest.json
observed f50d773032ef0de9b237bbdd3fa84cf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:56.726783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025726/publication.md
observed eddc17f5a8d800ea370f665f8b64873f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:56.704357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025726/publication.txt
observed 49027440e425e4bf7a71630ab58b5f2c...
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.