OpenTechnical

OT-2026-000087502

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, supply line 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-2026-000087502) never changes.

Identity and time

Publication numberOT-2026-000087502 · never reused
Internal UUID01a0ae9a-cd51-78b5-81db-e15bf7654dc0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087502
StatusPUBLIC

Content hashes

Canonical textd94e823046c45e08d2f0aee69f02e15a3ee992e1bee3f4f0f052fdaafc13c640
Markdown0b226f7cd44faf5390f108ae2026b7d75b548746f578be237822ff576db6116c
PDF
Publication page1ce41122954813aae76bf72268d46320e4e243439b72e16a06db267dc4b4579a
Manifest05441cb9f7e1457ef991f12e636c2a21c0aaa33cabd26176268e5a0bac4f37eb

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
Signatureju49CbE1/mMGgh/Yf/mNZyhWYzYTjiENB46Cwb36/1vhEaYWildPp5xlrcvM6uT4OpAZ8LhFILH87Vy/U0sOBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:50.097617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087502
observed 1ce41122954813aae76bf72268d46320...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:50.080339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087502/manifest.json
observed 05441cb9f7e1457ef991f12e636c2a21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:50.063574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087502/publication.md
observed 0b226f7cd44faf5390f108ae2026b7d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:50.046482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087502/publication.txt
observed d94e823046c45e08d2f0aee69f02e15a...
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.