OpenTechnical

OT-2026-000049104

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000049104) never changes.

Identity and time

Publication numberOT-2026-000049104 · never reused
Internal UUID01a0ae81-134d-7d8b-a8b4-53d415ec75d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049104
StatusPUBLIC

Content hashes

Canonical text648b5ad725c2a6bee60ce7cc43fe2f246836f9bec4dbbae219601a7f25205ebd
Markdown9206e0ed26fcbaa0cc2e36f6b143460951a04c72ad4e0d6fe8d02a4369bcd936
PDF
Publication paged50e9d1c5cf398d7b7a64c64396168b42d5a8eecec3025a154d01a018d71eafb
Manifest49babc26d3502975b39262997c62e71805f29b3c440085d85e9945d33b2f164c

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
SignatureqhfXGSy6ZiVLVpytGCcQgxC+nAZ+VvXiXtyJegDHdldPZkiZBnx7OX6EIaqpF9v21ARhg44QtxQcYCVNcVc2Dg==
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

2026-09-17T11:03:21.630899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049104
observed d50e9d1c5cf398d7b7a64c64396168b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:21.612265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049104/manifest.json
observed 49babc26d3502975b39262997c62e718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:21.593571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049104/publication.md
observed 9206e0ed26fcbaa0cc2e36f6b1434609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:21.576557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049104/publication.txt
observed 648b5ad725c2a6bee60ce7cc43fe2f24...
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.