OpenTechnical

OT-2026-000009148

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, vented after set-down

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-2026-000009148) never changes.

Identity and time

Publication numberOT-2026-000009148 · never reused
Internal UUID01a0ae6b-31b9-7fb1-80c7-9ef69df0cbbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009148
StatusPUBLIC

Content hashes

Canonical textd6c2819da7c68854bb837ffcb803324ab89bce000111a63891d879cf6a798070
Markdownb3e0b29c6547cb2e507edc7e2779f6249209f3e67c99aebb609a5a4a505e247e
PDF
Publication pageb53c322ab51741060a659ed63d088f5f7f611718ea7677d200977bf371b60f4e
Manifest216f934665e687be40e871e8a3879a374d6e318914d0245f98f30fd8288d0776

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
SignaturezvNDqgkDavgu5gcLuP1O/UMRDW0GI0KU9VGZ937KwFmGd1yTOkjIvlNwy7NPKzocB2lDUL7Wmj6u7DiKu3MdDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:50.804975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009148
observed b53c322ab51741060a659ed63d088f5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:50.785006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009148/manifest.json
observed 216f934665e687be40e871e8a3879a37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:50.766161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009148/publication.md
observed b3e0b29c6547cb2e507edc7e2779f624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:50.747190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009148/publication.txt
observed d6c2819da7c68854bb837ffcb803324a...
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.