OpenTechnical

OT-2026-000049908

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line 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-2026-000049908) never changes.

Identity and time

Publication numberOT-2026-000049908 · never reused
Internal UUID01a0ae81-fd76-79b8-9fc6-7afe9c9462fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049908
StatusPUBLIC

Content hashes

Canonical textc3d3b0b71a27885e0918e46a58ad2f4f5833170de1b651d3b65c32b91cf435b1
Markdown1af5ab292c5c9fc7a3a41cdd0bc9be36d517d36ab190407711ad7709726049e4
PDF
Publication pagef4c3e3e425b197ce72218a17b03fe71d7c2eb31c79f0a95e0217985cfb0cb6b0
Manifest17bf6b81d3089a2654d80f2e754a0ff08b418045d5f45e932a160365addcab3f

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
SignaturepHmZ+8F21rE4w+VJ9XzvmVVEwdWLA+CXDdmkqz5lqqI/CvNUq4aVp7KyJ2KrDnGjOhHPall9u2JSjjLUwxy5Bg==
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

2026-09-17T11:01:49.865901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049908
observed f4c3e3e425b197ce72218a17b03fe71d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:49.845832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049908/manifest.json
observed 17bf6b81d3089a2654d80f2e754a0ff0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:49.827143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049908/publication.md
observed 1af5ab292c5c9fc7a3a41cdd0bc9be36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:49.807399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049908/publication.txt
observed c3d3b0b71a27885e0918e46a58ad2f4f...
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.