OpenTechnical

OT-2026-000043982

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000043982) never changes.

Identity and time

Publication numberOT-2026-000043982 · never reused
Internal UUID01a0ae7b-d679-79dd-a348-f4a278807583 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043982
StatusPUBLIC

Content hashes

Canonical textb615b7ba295f332b941eb475d1500f82ff70e4d90533653cda1ca3aef5fecaa3
Markdown7d0b2cc98cb609a9b9bea4a3ca04ae51ac927cd3b749fba1f04b5723bbec49fb
PDF
Publication page981f71b9f4f9f833c97e4f76854ebcf3004ffcfeb5dcaa92e377b278d3322af7
Manifest13e9b4cc04fdb29c6f9f5406039e50b7c43eeefc1465bc9382983b8475d526ad

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
SignatureT78R9Wr3Qn2tBSO92LB0yqLJeQ2L+exkKoQP+aXJ6NLZk788yg7oCATcQaa4bUygXardrsNAIB3HtY8cr3OJAA==
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

2026-09-17T11:12:20.998709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043982
observed 981f71b9f4f9f833c97e4f76854ebcf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:20.980712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043982/manifest.json
observed 13e9b4cc04fdb29c6f9f5406039e50b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:20.961178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043982/publication.md
observed 7d0b2cc98cb609a9b9bea4a3ca04ae51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:20.937630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043982/publication.txt
observed b615b7ba295f332b941eb475d1500f82...
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.