OpenTechnical

OT-2026-000059769

Publication integrity record

Single cup vacuum gripper, pump fed, 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-2026-000059769) never changes.

Identity and time

Publication numberOT-2026-000059769 · never reused
Internal UUID01a0ae89-ec25-7d02-9db3-890cf18c19bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059769
StatusPUBLIC

Content hashes

Canonical textce79a8413693d629f3008d19aa72d299662667856f300ccb13b481c598943ee7
Markdown849241caae5d4a47a44c1b2733e8af36622ea55a8b0148f28c25130490762b22
PDF
Publication pageb80d8141c649e535002784b9c392e17421cde3fbf890bd8498c08f1a0a51e576
Manifest99c584fe62053b7425be0eb759ccd6b13c73baf16cc7f3baefb5fce7cb61be3f

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
Signaturezry4F9l/zNr8sW6kUQ+Y+vkMac14batEiJqx1ZxyFInQNidKS/rc4NjY9zcO9Cwh9IW1LE4jN2JNoJIgERNcCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:29.779804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059769
observed b80d8141c649e535002784b9c392e174...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:29.763102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059769/manifest.json
observed 99c584fe62053b7425be0eb759ccd6b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:29.745990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059769/publication.md
observed 849241caae5d4a47a44c1b2733e8af36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:29.728607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059769/publication.txt
observed ce79a8413693d629f3008d19aa72d299...
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.