OpenTechnical

OT-2026-000020529

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, manifold 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-2026-000020529) never changes.

Identity and time

Publication numberOT-2026-000020529 · never reused
Internal UUID01a0ae6f-437c-79f9-9180-bee58a6735e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020529
StatusPUBLIC

Content hashes

Canonical textfc0a7bd1a37e65694a0fa8e49914df23c6c5598486b1a3eb3289f8c62afc950a
Markdown6c80b091f0aaefaae4def2bef96fdb90550efb3c4a8f2b60d28269d5471ded90
PDF
Publication page0042a607fb9b8e9d9b205a9a99622d33320a9521d49313c56d54ada6b261ec51
Manifest3d73cc7918db26d7ae63d6d4f0f4edc0e296698af3e784769ac84a55a8155c1b

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
SignatureuzgeM829ZUyrGY7Dl5T39b/et9MAaawFmKZPfXOmdNTDRK1GcEBI+T0N2SmJA00wtQfXHfml8YBDgUVuEFSNAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:00:30.460389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020529
observed 0042a607fb9b8e9d9b205a9a99622d33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:30.437457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020529/manifest.json
observed 3d73cc7918db26d7ae63d6d4f0f4edc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:30.417668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020529/publication.md
observed 6c80b091f0aaefaae4def2bef96fdb90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:30.397417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020529/publication.txt
observed fc0a7bd1a37e65694a0fa8e49914df23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:33.072194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020529
observed 0042a607fb9b8e9d9b205a9a99622d33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:33.053132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020529/manifest.json
observed 3d73cc7918db26d7ae63d6d4f0f4edc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:33.035635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020529/publication.md
observed 6c80b091f0aaefaae4def2bef96fdb90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:33.015177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020529/publication.txt
observed fc0a7bd1a37e65694a0fa8e49914df23...
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.