OpenTechnical

OT-2026-000072061

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single 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-2026-000072061) never changes.

Identity and time

Publication numberOT-2026-000072061 · never reused
Internal UUID01a0ae92-47c1-7053-99ca-20a8fbea8d82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072061
StatusPUBLIC

Content hashes

Canonical textb61d2faa6a91d0d9bb4fdad6bcb5e995b45435c44161c75656a90ab920c1f5a2
Markdown90fff3417490cb64be6469222bafe473389079915afd0de37c1026182251953d
PDF
Publication page5c6ee28b0da1c8200f1dbf3cdb555c9a39ec3fe2eda585eb1151b9ce44b794b1
Manifest6c8f8efb032936813928db016fcfe4c1bf99bf19c1aa35bdb40a69059da074ff

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
Signaturea35h4Jcc835X+DuClTzE0kL7SEjnFSA7vwUhTwXZ1w8PKja7Mq6AR+GI86nPYrZCrLnc+fCJCnkmeRlFSEQvAg==
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

2026-09-17T10:23:07.983325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072061
observed 5c6ee28b0da1c8200f1dbf3cdb555c9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:07.966016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072061/manifest.json
observed 6c8f8efb032936813928db016fcfe4c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:07.948986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072061/publication.md
observed 90fff3417490cb64be6469222bafe473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:07.930672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072061/publication.txt
observed b61d2faa6a91d0d9bb4fdad6bcb5e995...
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.