OpenTechnical

OT-2026-000040836

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off before 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-2026-000040836) never changes.

Identity and time

Publication numberOT-2026-000040836 · never reused
Internal UUID01a0ae79-6d10-7bd6-afb4-65b19fd77187 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040836
StatusPUBLIC

Content hashes

Canonical textefc3afe79421684f2bff825383370f6dc4d552c1742b403c4a186dba54fc3bc1
Markdown34173111942558e3b16db9bd20cf9d6177a32b6e81007dea6a30b0a28a935372
PDF
Publication page1dc35b442dd4ac566a5c76e319f51ffaba0950f50f158e226fc7327f9a20f837
Manifesta45b5b6fa65bf3c68d6623574ffb24412f047fbbbf1dd8b9da65cdc377c33220

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
SignaturenF1CY3AX0Rf0RGPH4DPsj15Tm0rdsmzmvX1OyVmAxZCxbGm6rLjGDlWEIJt1czsFZgJz7+c+hOrYck2ROMGODw==
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

2026-09-17T11:20:11.030847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040836
observed 1dc35b442dd4ac566a5c76e319f51ffa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.012931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040836/manifest.json
observed a45b5b6fa65bf3c68d6623574ffb2441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.991301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040836/publication.md
observed 34173111942558e3b16db9bd20cf9d61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.973901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040836/publication.txt
observed efc3afe79421684f2bff825383370f6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:37.022664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040836
observed 1dc35b442dd4ac566a5c76e319f51ffa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:37.003707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040836/manifest.json
observed a45b5b6fa65bf3c68d6623574ffb2441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:36.985212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040836/publication.md
observed 34173111942558e3b16db9bd20cf9d61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:36.967603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040836/publication.txt
observed efc3afe79421684f2bff825383370f6d...
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.