OpenTechnical

OT-2026-000039039

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000039039) never changes.

Identity and time

Publication numberOT-2026-000039039 · never reused
Internal UUID01a0ae78-9672-7862-8824-c51fbcb35ca7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039039
StatusPUBLIC

Content hashes

Canonical text44bea4693c3c449eddbe195d98b96992394b724982874b5f525472274660f8a8
Markdown99f44f95461f7ffcecaeec2415d3f8e9a2a5b25848f4ebe17c0269dd8c7e2d4a
PDF
Publication page1990926f69f3e2a9818a1bba7fa3d820664b729b44c0e91111c5de5bf513656d
Manifest65202d94c672412b016efce8570ffda5b4af55892560b10a014a34f5848f77a1

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
SignaturewDTUtNO4mSX3fBJMgXwUvUO5/0lcSIEM63P4IBd81tR6js4eOrn/O5uEOe28i6itY8R1bI35jV++rGpapQ/tDA==
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

2026-09-17T11:20:23.498454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039039
observed 1990926f69f3e2a9818a1bba7fa3d820...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:23.480941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039039/manifest.json
observed 65202d94c672412b016efce8570ffda5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:23.463015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039039/publication.md
observed 99f44f95461f7ffcecaeec2415d3f8e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:23.443752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039039/publication.txt
observed 44bea4693c3c449eddbe195d98b96992...
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.