OpenTechnical

OT-2026-000067560

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000067560) never changes.

Identity and time

Publication numberOT-2026-000067560 · never reused
Internal UUID01a0ae8f-6bda-74a4-882b-9cecefe50676 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067560
StatusPUBLIC

Content hashes

Canonical text4125d564c96a58963222b2d71b42f755130c0cd4d993109b5db2ca399febd19c
Markdown4d8682004d7bba7bc62272b15a376987f47038c7b3ad6b92c79092b37b93477c
PDF
Publication page8cff19b0e33cead67398c16ed7d7b964974f13d7a40d00a6d6d24487964d97ef
Manifesta827d70f4f22d1e235c45ed39a3d0f341145e60b7c9cb367b59df7ddc415ae0c

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
SignatureX1XPKeW1K0Qrcpr1SV1bicxlQ/FiJjHvYrzfCxbtYA54l8dFaT3SmgXNmSaiD52f0ITIQaGq0gd89HBQaeRNDg==
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

2026-09-17T10:31:52.127265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067560
observed 8cff19b0e33cead67398c16ed7d7b964...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:52.109389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067560/manifest.json
observed a827d70f4f22d1e235c45ed39a3d0f34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:52.091679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067560/publication.md
observed 4d8682004d7bba7bc62272b15a376987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:52.074100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067560/publication.txt
observed 4125d564c96a58963222b2d71b42f755...
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.