OpenTechnical

OT-2026-000044458

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line 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-2026-000044458) never changes.

Identity and time

Publication numberOT-2026-000044458 · never reused
Internal UUID01a0ae7c-39d8-753d-9e2d-56f262a99073 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044458
StatusPUBLIC

Content hashes

Canonical text7bcc3a0f7f5ef439bb9131b1d4423133f6dd8ecb5caefc0a537eecadd51c1bc4
Markdown252596d287971c4b688c77d1462c36073e90414dd94849799fbf66db80fdf2e2
PDF
Publication page2df6fdc135b46d86464c9b09092fdd9ab8f7291d71a764efa4a3bc3129eadc83
Manifest4a3a158652abd77478314d810a02be4bdfbe1c8b998e90ab7ca756b5b66f7e8c

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+5azCv2i9aSvoyf1Zc/44wZmJZ01J5YoVdgp0EQdOGKUXjD4htabPe86tT7jKuX6cTiOFd9YxRgxl7D21tytDA==
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

2026-09-17T08:30:50.989136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044458
observed 2df6fdc135b46d86464c9b09092fdd9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:50.967476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044458/manifest.json
observed 4a3a158652abd77478314d810a02be4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:50.826567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044458/publication.md
observed 252596d287971c4b688c77d1462c3607...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:50.808850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044458/publication.txt
observed 7bcc3a0f7f5ef439bb9131b1d4423133...
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.