OpenTechnical

OT-2026-000068899

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000068899) never changes.

Identity and time

Publication numberOT-2026-000068899 · never reused
Internal UUID01a0ae90-6dcc-77d8-beb0-ec7655384211 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068899
StatusPUBLIC

Content hashes

Canonical text0f51c6e5623a22ac7fa6f44f76388cec3b4a18657e39c095ab24658bac6af669
Markdown35fe7f21fb5c1a25aec00240c85dfd496792b3c43fb16abe2eb01d413c857d82
PDF
Publication page4b5d5e4de1ed45b86f8ace4c418c45e385803b9a454f83f9294ff1d66c2a65a0
Manifest2e9373145a90b764fc337af471cb90cf9f2e91feeb83b2881ad78aec76904494

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
Signature3z+YqH8GASkxUN3bgA4isWXGEwcWnX7RIFFw1VDjsasX/yLRinnOTm4jEYKEWjdTL/LF5Sy2ilAOpJKjllIAAg==
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

2026-09-17T10:28:43.238110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068899
observed 4b5d5e4de1ed45b86f8ace4c418c45e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:43.220172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068899/manifest.json
observed 2e9373145a90b764fc337af471cb90cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:43.201780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068899/publication.md
observed 35fe7f21fb5c1a25aec00240c85dfd49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:43.183541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068899/publication.txt
observed 0f51c6e5623a22ac7fa6f44f76388cec...
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.