OpenTechnical

OT-2026-000029846

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000029846) never changes.

Identity and time

Publication numberOT-2026-000029846 · never reused
Internal UUID01a0ae73-ac47-72d3-a386-88049be87698 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029846
StatusPUBLIC

Content hashes

Canonical text17dce3505224e58ba940ecfb6afa834c2ffb52abd600d03ec7a674d0ab7ac47f
Markdowneca7f69379a6739e3188610e5e1a52cb811b4afe494beaefa2428fa6efdc2039
PDF
Publication paged0969b3d71ae6664cb46856b7f5fa7d17f6ce2f5af5e7d35b58bbad4db5b2982
Manifestf752b96fca5f8ac3e9e487d1bb065728d5cf19daa8710e24dc56ee42fbe0628e

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
Signature2DD/Oeg3qqp2ZmpHYc92G3YF9O47UnucE6kQSGVmj8mraXW/oYpWYhixJnUIB60gzwMLl0Tl5UFiKDDy44ccCQ==
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

2026-09-17T11:38:32.404742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029846
observed d0969b3d71ae6664cb46856b7f5fa7d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:32.386631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029846/manifest.json
observed f752b96fca5f8ac3e9e487d1bb065728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:32.368828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029846/publication.md
observed eca7f69379a6739e3188610e5e1a52cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:32.348229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029846/publication.txt
observed 17dce3505224e58ba940ecfb6afa834c...
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.