OpenTechnical

OT-2026-000068345

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000068345) never changes.

Identity and time

Publication numberOT-2026-000068345 · never reused
Internal UUID01a0ae90-2480-7919-a25e-c2e4715af844 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068345
StatusPUBLIC

Content hashes

Canonical text071acef07f7717cc5cd6338e6ebf1a541e16bbac7052ba6bdb0504fb74ec88b1
Markdown03cab9c213a5b078f1c26145bb4941383006fa8bf5e29d9dd25bb44218ec0dc6
PDF
Publication pagefb9bbd4365719c8e3b1e237106c23671d98dfdf719ce52eb375d1a8bd341f602
Manifest3a240b2c49a3862ba918c0b20e5b899206132c00c0a3f474b6c499c32249c615

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
Signature6LH2ZqTgd007Lk85fuun+UyIRoWutT3vj8k3Y3tgfbwQ2Zd1epl5x1FnXTlFT/F3SKFbbfTmiL/hFTFAzWXNCQ==
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

2026-09-17T10:29:23.403869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068345
observed fb9bbd4365719c8e3b1e237106c23671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:23.386394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068345/manifest.json
observed 3a240b2c49a3862ba918c0b20e5b8992...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:23.368431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068345/publication.md
observed 03cab9c213a5b078f1c26145bb494138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:23.350590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068345/publication.txt
observed 071acef07f7717cc5cd6338e6ebf1a54...
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.