OpenTechnical

OT-2026-000068658

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000068658) never changes.

Identity and time

Publication numberOT-2026-000068658 · never reused
Internal UUID01a0ae90-2483-79f9-9506-96f38541dbb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068658
StatusPUBLIC

Content hashes

Canonical text6436a8ef2ce314c2c0783a55bb81df760af275f6e3064f584e4dcd0c5fb172b9
Markdownd47ded835fd9a1980ca30730fa0b22ba02440df0b1353e04ea45433b927a046b
PDF
Publication page7e7af4dd448d3c4bc349c8804d9e147e3fcb36e87efc08d3a4065abc5bd0c284
Manifest9fd83256cf4c423497b0a46539b58e568448360fd0ad6bb9ad9c63de261116b2

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
Signature3QvUyHXjG8nVSuNy4avNyvXyVKDtrTXHkboQpNdnJIkolMWezMJL8IFHL8huZFPrlI2Vi95pGrp515g6G2bsDQ==
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

2026-09-17T10:29:51.249046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068658
observed 7e7af4dd448d3c4bc349c8804d9e147e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:51.232481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068658/manifest.json
observed 9fd83256cf4c423497b0a46539b58e56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:51.213897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068658/publication.md
observed d47ded835fd9a1980ca30730fa0b22ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:51.196489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068658/publication.txt
observed 6436a8ef2ce314c2c0783a55bb81df76...
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.