OpenTechnical

OT-2026-000040894

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single 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-2026-000040894) never changes.

Identity and time

Publication numberOT-2026-000040894 · never reused
Internal UUID01a0ae79-6d10-799a-b0a5-4651a207bee4 · 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-2026-000040894
StatusPUBLIC

Content hashes

Canonical text828c902e97755a9e3c7c2e5acc4de0084a61f6dd01d4832f62dd827d2ea3bdc5
Markdown573b4edc1048055ef004156c83e884a1cb4267ebcef667b51e57dd2e5530c6a3
PDF
Publication pageabd9f76e9aad2c7fc1b34ec2ac8e7aec2b51aa6afac584d21002faf665386e2f
Manifesta3d04c4770d034c81d413d4809be379b81e457073f646edf8cae99af6d60d8d6

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
SignaturepnhwYokjrA89JHkkx3egMW8cBHJCZzB3yTeBdJGr4cKbWwole+/V8wcMFQU3Wo4xdfdrw6jUUIagKCaixRWqAA==
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

2026-09-17T11:20:15.530160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040894
observed abd9f76e9aad2c7fc1b34ec2ac8e7aec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:15.505634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040894/manifest.json
observed a3d04c4770d034c81d413d4809be379b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:15.484995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040894/publication.md
observed 573b4edc1048055ef004156c83e884a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:15.464814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040894/publication.txt
observed 828c902e97755a9e3c7c2e5acc4de008...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:41.503209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040894
observed abd9f76e9aad2c7fc1b34ec2ac8e7aec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:41.485850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040894/manifest.json
observed a3d04c4770d034c81d413d4809be379b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:41.467994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040894/publication.md
observed 573b4edc1048055ef004156c83e884a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:41.449464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040894/publication.txt
observed 828c902e97755a9e3c7c2e5acc4de008...
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.