OpenTechnical

OT-2026-000081709

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, sustained blow-off before 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-2026-000081709) never changes.

Identity and time

Publication numberOT-2026-000081709 · never reused
Internal UUID01a0ae97-0f73-750a-b6d5-53a18f351fee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081709
StatusPUBLIC

Content hashes

Canonical text710680f4fa5552627de5a73a8e84107c8c737043759ac7852a7f2665ff015a73
Markdowndcb27d4686e9b287d49b3a3d97122df3e5dc63bd5b4f1b1784c5b6e20a2008d8
PDF
Publication pagee79cdbae354fa9099336465c6695ed520f70165570e6d13964303d941a0a18ec
Manifest65ec79ce7f656bd8de735ff5105d692a92a46b3c17282a43c62ad8ce5bbf15fa

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
SignaturetaWGNUYaqRrG/vHjOgFZD5myzyUF9y5pWtaurbh8Yq3uC8ZCs9mIF8fEWN70u8m3ObOqPWrNbedFHrJfuz5xDg==
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

2026-09-17T09:59:46.836572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081709
observed e79cdbae354fa9099336465c6695ed52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:46.819497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081709/manifest.json
observed 65ec79ce7f656bd8de735ff5105d692a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:46.801976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081709/publication.md
observed dcb27d4686e9b287d49b3a3d97122df3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:46.784759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081709/publication.txt
observed 710680f4fa5552627de5a73a8e84107c...
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.