OpenTechnical

OT-2026-000047718

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000047718) never changes.

Identity and time

Publication numberOT-2026-000047718 · never reused
Internal UUID01a0ae7f-c41f-7d76-983a-b45414fdc6cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047718
StatusPUBLIC

Content hashes

Canonical text8c222cdb8590787e1df9389aa1daba715b64a75c00af382eaaa851c6973427bd
Markdown5a9b8dfbe4309039756939abe17bb584114f3a9d617d54a90d7b01b1c9f6ab00
PDF
Publication page92f4fbe7543d7ad272d201c6391dd6f6703cee863d4a69bc5306cee11e8322e8
Manifest4155ecea67a292f792ba2549ab20a98740e55d2286a6f63cb07167552d29589c

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
SignatureH8BWVF6pExEBiVjlo0QgGvBHJajMhMF8GM+epaxTYqBQBTEGk6Ay6vYIrPldtqNYkQuwcdioG5r7UfAd28ktBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:05:35.109862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047718
observed 92f4fbe7543d7ad272d201c6391dd6f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:35.089700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047718/manifest.json
observed 4155ecea67a292f792ba2549ab20a987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:35.071059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047718/publication.md
observed 5a9b8dfbe4309039756939abe17bb584...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:35.051548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047718/publication.txt
observed 8c222cdb8590787e1df9389aa1daba71...
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.