OpenTechnical

OT-2026-000047906

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000047906) never changes.

Identity and time

Publication numberOT-2026-000047906 · never reused
Internal UUID01a0ae7f-c421-7bb6-b297-9c0b28afda75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047906
StatusPUBLIC

Content hashes

Canonical text1ab46f3757009eac775725d20217afd55cbd534a8990ab89aa48a1227c84f6f6
Markdown326ea727779f39862c90dc6b9d853ba24efb2b4175729d69a5101a1983a07edf
PDF
Publication page3270e45c936cf95304a66f562cae3a4481ae5b41a07d93720533604c20ae7712
Manifestf41196f50f7d1c22b3225f92f2d51e7becc4415edc0331f427fc7ebfd03a689e

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
SignatureQxjZF5SedZCNMzIKR/mndlnERJd+ZmzcM3G6wSHoAhNArcA74E94bpQllljNt+xZa3nwUoiPve+NlzCpi5K5DA==
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

2026-09-17T11:05:50.894423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047906
observed 3270e45c936cf95304a66f562cae3a44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:50.878696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047906/manifest.json
observed f41196f50f7d1c22b3225f92f2d51e7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:50.861199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047906/publication.md
observed 326ea727779f39862c90dc6b9d853ba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:50.842202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047906/publication.txt
observed 1ab46f3757009eac775725d20217afd5...
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.