OpenTechnical

OT-2026-000079785

Publication integrity record

Foam pad vacuum gripper, four zone face, two 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-2026-000079785) never changes.

Identity and time

Publication numberOT-2026-000079785 · never reused
Internal UUID01a0ae96-4375-7dd9-8435-c3fe1836e578 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079785
StatusPUBLIC

Content hashes

Canonical text639f301f5dfd2a051f02dbcf497d246d04c58c535f5354c858dacb282d5f1ad9
Markdowne723c958f362473e021dc8211e720c0cfe1658703166d8aebff144bd10e79e1d
PDF
Publication page1d57e586ac65105d54eb1632807b616213ffd321029ae6be51c5b2c539dd670a
Manifest88b5bd69776d1c6e2dd479b11924d8f537dcd7d6b9f0637409c6afbde3ff6685

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
Signature5fQogK8vm7P/zDxWW6VtJu5C/v3QUIf5TkLnKWPTHJmMwrBdlIuUpMzGgzkUIrKVCtqK+/UlOQGIyEXxCkkMCQ==
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

2026-09-17T10:03:39.636205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079785
observed 1d57e586ac65105d54eb1632807b6162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:39.617117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079785/manifest.json
observed 88b5bd69776d1c6e2dd479b11924d8f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:39.598102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079785/publication.md
observed e723c958f362473e021dc8211e720c0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:39.578943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079785/publication.txt
observed 639f301f5dfd2a051f02dbcf497d246d...
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.