OpenTechnical

OT-2026-000062031

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000062031) never changes.

Identity and time

Publication numberOT-2026-000062031 · never reused
Internal UUID01a0ae8b-b8af-779b-9da8-d94e780918e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062031
StatusPUBLIC

Content hashes

Canonical texta9bbf110de46e91a5e661d192d3fbfc4544cd65c5dea882f881f047f3e683e86
Markdownd228e52c690d79731cd19a37c399f9bc90a823e049db4d861fe13ddbfa5c3ecb
PDF
Publication pagefbacc080aaa56fa7ebe1a3057a1bad93b95951c1a5e91486546d30202cb9fc13
Manifest562ff0f41a5b1290a957dfeb9e6dc96ebc9c4f4cbfd918799787cbcfed93aef4

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
SignatureyUi3pzuFYgoqyKN+lODsRBGlqlk2L1pTpB4tbVrGS2xEAbIFDY3u4uIFncLM8I1tWSARt7dNAKNiGAyk5dRmDg==
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

2026-09-17T10:41:04.010183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062031
observed fbacc080aaa56fa7ebe1a3057a1bad93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:03.990085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062031/manifest.json
observed 562ff0f41a5b1290a957dfeb9e6dc96e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:03.970461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062031/publication.md
observed d228e52c690d79731cd19a37c399f9bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:03.950468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062031/publication.txt
observed a9bbf110de46e91a5e661d192d3fbfc4...
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.