OpenTechnical

OT-2026-000048528

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000048528) never changes.

Identity and time

Publication numberOT-2026-000048528 · never reused
Internal UUID01a0ae80-4de6-75f3-b5f2-2f310374255c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048528
StatusPUBLIC

Content hashes

Canonical text228be1eb9bb8da474816d1d0b3df8405543cb95244a7a211158ac18fd261a794
Markdown66c6392469c54d1423fcd574980998cef519a0f6e58104157f7a41fb8e1c4faa
PDF
Publication page18c82ac96266aa325be3f4aa680a11f09788324046a218e735ed4fda69b4da92
Manifest6aae3aa169e4e7902774122b2c3a379256e67d4855f39b82138b7ffffb4751a5

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
SignatureZmPBrlweqeVtABt+8hCddMFGVmWWlnYCe6/hxc2wQH75ajV+E/E79w8Bh8TnnUmc9QF5Z1tWC8XpnopLq//cAw==
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

2026-09-17T11:05:18.942908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048528
observed 18c82ac96266aa325be3f4aa680a11f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:18.922314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048528/manifest.json
observed 6aae3aa169e4e7902774122b2c3a3792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:18.902353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048528/publication.md
observed 66c6392469c54d1423fcd574980998ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:18.883080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048528/publication.txt
observed 228be1eb9bb8da474816d1d0b3df8405...
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.