OpenTechnical

OT-2026-000047798

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000047798) never changes.

Identity and time

Publication numberOT-2026-000047798 · never reused
Internal UUID01a0ae7f-c420-773e-be1b-6d0aaf805cc7 · 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-2026-000047798
StatusPUBLIC

Content hashes

Canonical text78aa903418840a6a9ec54f671b9472b23de3578eb5af0823a75e0ade36dd38f3
Markdown10235b2f42749d245670c611db9913f7bb6c7300da2eff44ed874037a5a18b6e
PDF
Publication pagedbd7a1ddaa51f318037db8c54610beb2595c140e41f79766a8c91e5fc2dfc79a
Manifest57f7551bcbb6efb1e82ec8a625ef693d732601d155f76e0019cf65072ac032eb

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
Signature6NIvWhiN2atR0T50mAsB+5mmlKoZfdboLbuonv/iVihaWPVM0GajXOlBSrgEU73f81uinZzaauIVbPGYdrmfAg==
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

2026-09-17T11:05:41.947494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047798
observed dbd7a1ddaa51f318037db8c54610beb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:41.898578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047798/manifest.json
observed 57f7551bcbb6efb1e82ec8a625ef693d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:41.878639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047798/publication.md
observed 10235b2f42749d245670c611db9913f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:41.832554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047798/publication.txt
observed 78aa903418840a6a9ec54f671b9472b2...
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.