OpenTechnical

OT-2026-000048576

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000048576) never changes.

Identity and time

Publication numberOT-2026-000048576 · never reused
Internal UUID01a0ae80-4de7-790b-bc42-9bc9768935fe · 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-2026-000048576
StatusPUBLIC

Content hashes

Canonical text669bf53905a18b1e171bc1d15aa74d677246517bb8ebd0a1444982b008b36dbb
Markdownbccfb9e6bcba3b3a7c7dfa5141e91dbed8088759d489fdc09175f04e2c8dc97a
PDF
Publication pageb09a4a68bf9284b5ddfd58eda40f3dd4701642447a1bcd0e6132c974e1cd8395
Manifest2f3477c112227d4520cf979126c9623e07c6ed5fb227930bb3cfc30f427a2b91

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
SignatureXOc8fRqnCwG+ZMFHxTkgMQ4C9nnvduMG7VdOcONUk8Jr7/KBeCIer+97+Pdhe/1e9+VKapUHZ2LCKAbVEQX8DQ==
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

2026-09-17T11:05:22.863741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048576
observed b09a4a68bf9284b5ddfd58eda40f3dd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:22.844465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048576/manifest.json
observed 2f3477c112227d4520cf979126c9623e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:22.821723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048576/publication.md
observed bccfb9e6bcba3b3a7c7dfa5141e91dbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:22.802852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048576/publication.txt
observed 669bf53905a18b1e171bc1d15aa74d67...
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.