OpenTechnical

OT-2026-000043462

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, 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-2026-000043462) never changes.

Identity and time

Publication numberOT-2026-000043462 · never reused
Internal UUID01a0ae7b-92ce-79d4-a3eb-244b11a2020d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043462
StatusPUBLIC

Content hashes

Canonical text5f3a7c443903c67fe668f13be12ff943de9f694a36b140279f03f12177288e32
Markdowne6bd5b57aae6ad03e312d0ce80ffac7e81a8077f1bb67cb7be6a14cbc272b34c
PDF
Publication page60d41658050ece866618799dd87d0e18e4c29d8a4066e4673f11f655a3d01e50
Manifeste3b434d0b8a2a4d3a671968457b777a7d5cf221e842e96bc796dbd26cdbff985

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
Signaturesr/zPUDD/G+ilM0Wrwde6ExbP/pmmidLfMwFvFRVYnCCkdkB8I9ZrSMNh5NB6SB+BW20X6j2/mtdT1qLQChqCQ==
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

2026-09-17T11:12:48.862227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043462
observed 60d41658050ece866618799dd87d0e18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:48.843840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043462/manifest.json
observed e3b434d0b8a2a4d3a671968457b777a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:48.824260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043462/publication.md
observed e6bd5b57aae6ad03e312d0ce80ffac7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:48.806829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043462/publication.txt
observed 5f3a7c443903c67fe668f13be12ff943...
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.