OpenTechnical

OT-2026-000068075

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000068075) never changes.

Identity and time

Publication numberOT-2026-000068075 · never reused
Internal UUID01a0ae8f-c4fe-7791-a986-9a1cbc64d8d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068075
StatusPUBLIC

Content hashes

Canonical texte03f31d67190ffc72e6fc931e84dafbd4497f14d38ccbc18a33cd03b4d880c95
Markdown855a227fe2b0df2eae3c05a5158e004eca1c37362f241b46d9c6a8fdb4449869
PDF
Publication pagea8acde7675a0d598418bcde10a403b40a156c565baeed6ea7cd01a7edbe11a90
Manifest5c449c01154ae45ad0eef881f805e7164e8015b4d285cf16bf624b6fb43d0d7e

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
SignaturezQ9vtwp+dZ2DrhUyIhR6cbJyvp3+hKot/PaXslhYvC9KYOlfKY9FCNzNIgc0mRXZTgcPHB32ku8xYjHDj0l4Bw==
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

2026-09-17T10:30:39.900559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068075
observed a8acde7675a0d598418bcde10a403b40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.881053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068075/manifest.json
observed 5c449c01154ae45ad0eef881f805e716...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.864428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068075/publication.md
observed 855a227fe2b0df2eae3c05a5158e004e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.846528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068075/publication.txt
observed e03f31d67190ffc72e6fc931e84dafbd...
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.