OpenTechnical

OT-2026-000042626

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000042626) never changes.

Identity and time

Publication numberOT-2026-000042626 · never reused
Internal UUID01a0ae7a-c0ce-760d-9b0e-525aee2045f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042626
StatusPUBLIC

Content hashes

Canonical text8e2a6638162c7b90a9267eebdeec1b3ffdab4393e1183dbe8b084a7a1e4c384c
Markdown85cac61e0ca2c4f6cb75f7d04a2f61c4365ce0f35e526a22ba4232ea185e1bad
PDF
Publication pagef85f6066e5fd92587e2689cdf626189dfb33558602f997e5b95cf8f69c1963d5
Manifestc70880b0f4f3b835545844550f8d4b398d860ac811c96d0215457b426a2f4e14

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
Signaturez0iLtruLMSmQKgLiE4HOr3rsMEgDmCtYnQPSINzTVdi4xCaTuLD+8t51jm67hktz0FjxqSyvGP6G7ry9eJdBCA==
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

2026-09-17T11:14:21.559540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042626
observed f85f6066e5fd92587e2689cdf626189d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:21.540251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042626/manifest.json
observed c70880b0f4f3b835545844550f8d4b39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:21.498325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042626/publication.md
observed 85cac61e0ca2c4f6cb75f7d04a2f61c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:21.458644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042626/publication.txt
observed 8e2a6638162c7b90a9267eebdeec1b3f...
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.