OpenTechnical

OT-2026-000079121

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before 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-2026-000079121) never changes.

Identity and time

Publication numberOT-2026-000079121 · never reused
Internal UUID01a0ae95-ccbf-7301-ba98-2e730288da48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079121
StatusPUBLIC

Content hashes

Canonical text3d211bf40288dd9c62d5cc042b3064dbb45733740fa1134dd067bd22ea6ee0c8
Markdown5eedcae897de4bcd09ca4ceaf88fb8df65bf4f442458c28568e6aac519d4adc1
PDF
Publication pagee7b0e4c5cee1d2c7ba796695d5b03e644ef8600be4c10fa863a411c09b7d4cc5
Manifest1343739a3fc743bc19312959754b536ae9cdb40ef3a7b3b35eb42ef711ed0dbf

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
SignaturegwgFb5SX2aYKk9Xmur+D2FU95EennBNK2LNEeSb5Ky5a4DgnSPMtSeCEDZtUBYG8bfDb6dhqYw0GTXM/7OMfBg==
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

2026-09-17T10:05:58.204763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079121
observed e7b0e4c5cee1d2c7ba796695d5b03e64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:58.187250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079121/manifest.json
observed 1343739a3fc743bc19312959754b536a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:58.169475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079121/publication.md
observed 5eedcae897de4bcd09ca4ceaf88fb8df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:58.150841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079121/publication.txt
observed 3d211bf40288dd9c62d5cc042b3064db...
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.