OpenTechnical

OT-2026-000050502

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000050502) never changes.

Identity and time

Publication numberOT-2026-000050502 · never reused
Internal UUID01a0ae82-5c49-7b5a-bab1-45cbb9171118 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050502
StatusPUBLIC

Content hashes

Canonical text04b6d00ee006b0cb84cc3f5557d187c7b15eb7fa4de1078b0c871df68ef7a12c
Markdown905adaa8c7931d8d2b3e6bafb82d5c3b9a725bd35ae61a52ec6134d4429a4d0b
PDF
Publication pagefe6ae7adb09dbb8623f7ad21b6d183cbe4f255e4b5a1fecc319fbf0314898b2a
Manifesta1900d2ab41f07a2d71629fce8cd477bcb92e852091d0bbfae743df1dcb6a1c6

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
Signature/hWXbK2An1Id2fFJJp2QXP0AJVcS+RENPJeiaT3STsT06dlv2y66gdLi2hma067BohOSOambKc3SYng6pMLYBg==
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

2026-09-17T11:01:33.574077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050502
observed fe6ae7adb09dbb8623f7ad21b6d183cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.558682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050502/manifest.json
observed a1900d2ab41f07a2d71629fce8cd477b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.543633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050502/publication.md
observed 905adaa8c7931d8d2b3e6bafb82d5c3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.526895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050502/publication.txt
observed 04b6d00ee006b0cb84cc3f5557d187c7...
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.