OpenTechnical

OT-2026-000044253

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line 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-2026-000044253) never changes.

Identity and time

Publication numberOT-2026-000044253 · never reused
Internal UUID01a0ae7c-39d5-724a-a341-d7932b1d6c70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044253
StatusPUBLIC

Content hashes

Canonical text85d9303a7fc00c702420b50f283dab5b14970f3869056f47f7a6ca5a85ba8b34
Markdownec29464f8caeb0073c499c20d7b7a5acaf266c0f4261401dbb0ae7dbf55bc124
PDF
Publication page8b557c3e507a4efb3c4adb6302c8a81620b1e44e3299ef865943fb5d19e88e17
Manifest18fdc1e69d8c607b51084d38ab3f0b29594e13935a2c70e3c3e248e51aab32f6

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
SignaturelXHVs9BZxIV3iEtYi1cKfXZ5Vsm/tAnuvHA5DEln/GP+htmMmRbTpRNIelgXTp81p72TQzCsr59+zWHy/rLVAw==
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

2026-09-17T08:30:07.035071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044253
observed 8b557c3e507a4efb3c4adb6302c8a816...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:07.013834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044253/manifest.json
observed 18fdc1e69d8c607b51084d38ab3f0b29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:06.996186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044253/publication.md
observed ec29464f8caeb0073c499c20d7b7a5ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:06.977737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044253/publication.txt
observed 85d9303a7fc00c702420b50f283dab5b...
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.