OpenTechnical

OT-2026-000058008

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, sustained blow-off after 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-2026-000058008) never changes.

Identity and time

Publication numberOT-2026-000058008 · never reused
Internal UUID01a0ae88-6ed9-71ab-8ce6-7775b42fd02d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058008
StatusPUBLIC

Content hashes

Canonical text949f747482a1d2d89a9693777b17593e5654cab2047eddfbfdac543ca7bdfa53
Markdown82a52a331316a25db9d14eb70d40ff81aacc4a0125c3b93b62f987d8f5ac34b7
PDF
Publication page2ee20f3f5b1a4fea2d970c44e8792cbf7faa71adbf5b2d4564b5361768ae8d9a
Manifesta9fe170d4913406f3d5cec43dcfe2279c963fabb37332c32253ce5850c37492d

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
Signatured8XaTuF3V3/P+89O9AnOZVaavRckA+19Gcj5jLFUdio3kLmQ2ieCBr26ts72ztTbQeNYq9wpc0pLNVGaOIGGAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:38.546145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058008
observed 2ee20f3f5b1a4fea2d970c44e8792cbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:38.528862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058008/manifest.json
observed a9fe170d4913406f3d5cec43dcfe2279...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:38.510971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058008/publication.md
observed 82a52a331316a25db9d14eb70d40ff81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:38.490324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058008/publication.txt
observed 949f747482a1d2d89a9693777b17593e...
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.