OpenTechnical

OT-2026-000030208

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000030208) never changes.

Identity and time

Publication numberOT-2026-000030208 · never reused
Internal UUID01a0ae73-e500-7b92-b68e-2dc5844bc15b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030208
StatusPUBLIC

Content hashes

Canonical text6e1e40de214c7156a309e9c99f3af76ec98b9816aa9f128359211e2be80a0e06
Markdown8fa350bd93afe1f2229740214dc424d12fcf7d738faf74d1b26b170773adef60
PDF
Publication page04c8ffbb7b1d23a1eb74767bbb76a0a9aef3b804cd605dab590fbe56e62fe3c6
Manifest7573ace8d6e7bf070b825273292849bdea3f6e98b6eb4f72761ec45679759dea

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
Signaturedp9gyzV5w38kufOmnVrSMw0Hq5Se7d4+8JoLWgQKvkETJcxLxRGriLY0Gly3op0qFjZ6XPlQxxuwq6ITIbi8Cg==
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

2026-09-17T11:40:34.800911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030208
observed 04c8ffbb7b1d23a1eb74767bbb76a0a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:34.780072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030208/manifest.json
observed 7573ace8d6e7bf070b825273292849bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:34.755181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030208/publication.md
observed 8fa350bd93afe1f2229740214dc424d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:34.738267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030208/publication.txt
observed 6e1e40de214c7156a309e9c99f3af76e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:51.304926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030208
observed 04c8ffbb7b1d23a1eb74767bbb76a0a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:51.287470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030208/manifest.json
observed 7573ace8d6e7bf070b825273292849bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:51.269920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030208/publication.md
observed 8fa350bd93afe1f2229740214dc424d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:51.252461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030208/publication.txt
observed 6e1e40de214c7156a309e9c99f3af76e...
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.