OpenTechnical

OT-2026-000034727

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, pulsed 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-2026-000034727) never changes.

Identity and time

Publication numberOT-2026-000034727 · never reused
Internal UUID01a0ae76-1ed2-74f6-8886-08b62b9daeb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034727
StatusPUBLIC

Content hashes

Canonical text65333db263b4f6ce1e2579021d03b6e2398e4ad75cac167f18f772d7e1dfcdce
Markdown330a797a17e963ace71f4b7491d49d721e28f66c689c9bffb746ced566b61af9
PDF
Publication page4afc80f2885d5f4e803b626b155c7e6fe78313ef979a90596fcd459a6c23bdd1
Manifestdc77ecd409e4693ddbfa22d32c47f0a31da0c1bbc3d5c35c745bba58a8cd2296

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
Signaturej/KoGFn6TRrB5W5moHG6RIfxKXOMuSZwLMgb6IuWseyo9bZtyJ/F2n6rPmpI6FXQ6Qvgi2dPjPrK7KbGRkoUBA==
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

2026-09-17T11:30:08.081636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034727
observed 4afc80f2885d5f4e803b626b155c7e6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:08.049456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034727/manifest.json
observed dc77ecd409e4693ddbfa22d32c47f0a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:08.019783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034727/publication.md
observed 330a797a17e963ace71f4b7491d49d72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:08.000826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034727/publication.txt
observed 65333db263b4f6ce1e2579021d03b6e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:40.630049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034727
observed 4afc80f2885d5f4e803b626b155c7e6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:40.612732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034727/manifest.json
observed dc77ecd409e4693ddbfa22d32c47f0a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:40.594463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034727/publication.md
observed 330a797a17e963ace71f4b7491d49d72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:40.577390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034727/publication.txt
observed 65333db263b4f6ce1e2579021d03b6e2...
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.