OpenTechnical

OT-2026-000007768

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, pulsed 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-2026-000007768) never changes.

Identity and time

Publication numberOT-2026-000007768 · never reused
Internal UUID01a0ae62-843f-7da4-a533-47ad267262c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007768
StatusPUBLIC

Content hashes

Canonical text03ffb8431efe7ee3c16739f22296be0468fd6fbf0a5a97f8d83359ede7f522ab
Markdownb5e247579a0895ad480f01e6322f34e2072efdfe6e5768b8fef1b24de58e48c8
PDF
Publication page1ccd9b2c42d254c6811fc9ab46b7079cffff5daa184f0039125ea0233c6ea2e7
Manifest8aacb5f3249415ad3c960bd448b55f1515efde1cf62aed8892d196f8935a2659

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
SignatureMFHAQ+fbmtTk20h7U6t9HBZWPJ7LhHJYZaJI/zm6MXYUYuBxsu/tXRvdIWvLY8m4A89fnLbfH6bkSpB51J07CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:09.975557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007768
observed 1ccd9b2c42d254c6811fc9ab46b7079c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:09.958483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007768/manifest.json
observed 8aacb5f3249415ad3c960bd448b55f15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:09.939133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007768/publication.md
observed b5e247579a0895ad480f01e6322f34e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:09.919803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007768/publication.txt
observed 03ffb8431efe7ee3c16739f22296be04...
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.