OpenTechnical

OT-2026-000081455

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, sustained 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-2026-000081455) never changes.

Identity and time

Publication numberOT-2026-000081455 · never reused
Internal UUID01a0ae96-f375-74c9-ba0f-44d97284fa11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081455
StatusPUBLIC

Content hashes

Canonical textac12ab60fa6bad70ac3696ab996e8bfb4f189a382fb950eee1219bbc27a733e3
Markdowne47eeeb7d3dcd03bf11cd5b4318b22e26ccb1402216d56dea9ca2b011e13b865
PDF
Publication page3a8dc481fe772f32d1ab475ebd620d2b0d74fe838beb7eb76bdcc0929c7bf501
Manifest14e585bb384fd4a6b41189d9c9074d49981e5897aa51194de3cabddeece1ec25

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
SignatureFfqa8LjPBwC66laJ96iE0f2gSEWfPNUvSpJLSyI7BrZs5jZonNPjibBIQAIAQSurQzVQDIHJG5YIvafsFXhPDA==
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

2026-10-17T04:23:10.017740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081455
observed 3a8dc481fe772f32d1ab475ebd620d2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-17T04:23:10.002410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081455/manifest.json
observed 14e585bb384fd4a6b41189d9c9074d49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-17T04:23:09.982957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081455/publication.md
observed e47eeeb7d3dcd03bf11cd5b4318b22e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-17T04:23:09.966285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081455/publication.txt
observed ac12ab60fa6bad70ac3696ab996e8bfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:37.035955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081455
observed 3a8dc481fe772f32d1ab475ebd620d2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:37.017619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081455/manifest.json
observed 14e585bb384fd4a6b41189d9c9074d49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:36.999672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081455/publication.md
observed e47eeeb7d3dcd03bf11cd5b4318b22e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:36.983411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081455/publication.txt
observed ac12ab60fa6bad70ac3696ab996e8bfb...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent