OpenTechnical

OT-2026-000006869

Publication integrity record

Bellows cup vacuum gripper, two zone face, pump fed, contact triggered, plastic cups, two fold

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-2026-000006869) never changes.

Identity and time

Publication numberOT-2026-000006869 · never reused
Internal UUID01a0a96a-3f89-745f-ae8f-cc20414f04c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:51:47.723523Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006869
StatusPUBLIC

Content hashes

Canonical textd8a136f1446ff0c7b4fc940a16fd4b99f799bdb462aa37ebd89d6070e48535fa
Markdownab2d2c64063c2dc2fc0e2ea1e6655bdd4b47e801ac66b9256bff42a03e7991d9
PDF
Publication page903caec61f1228019c0e4ccdffc3c84bdd4ba37db17d12ef0caafbb48afc99ac
Manifest11a6b2ac5a286507723d1a60aec1fe3c998ab03640d51081ca3021b2eef69a67

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
SignatureAEJ0HxPfAjccJR8Rkv5JxA9rpoeEYLgRJm7qENrLqVHhGBtvpULl2BRgvx08y+TefWjSSrCLqbjoZg/IgtYmAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:27.377861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006869
observed 903caec61f1228019c0e4ccdffc3c84b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:27.239775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006869/manifest.json
observed 11a6b2ac5a286507723d1a60aec1fe3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:27.228031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006869/publication.md
observed ab2d2c64063c2dc2fc0e2ea1e6655bdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:27.215567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006869/publication.txt
observed d8a136f1446ff0c7b4fc940a16fd4b99...
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.