OpenTechnical

OT-2026-000038770

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000038770) never changes.

Identity and time

Publication numberOT-2026-000038770 · never reused
Internal UUID01a0ae78-769e-71ee-a057-08161956d8c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038770
StatusPUBLIC

Content hashes

Canonical text5569e68b889e8dce8d92cb390057e3bfe50a8bc8b8c70960b28e2ffb8c249df3
Markdown7e1dbba26a44781ef66463cefff6f52ed0314ab36f86e285f3eb25c872b0ac92
PDF
Publication page539307a1b90a41b6047ee99262d94a62f629ec3548f4e2f6a653a9811755af31
Manifest633c3c96be7dfb86e7e9f313c49f1a3bd5ec0b164f744460e7dd40920405fa77

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
SignatureHUn6vTcJEOFTY0QBGNFg0ux1kM7hpnyXV/TAbaSfVWDkTmyJWEB9o5CuA+qd8I/HUlvwWMHsXY46sfNXjAM0Ag==
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

2026-09-17T11:21:18.752073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038770
observed 539307a1b90a41b6047ee99262d94a62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:18.732990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038770/manifest.json
observed 633c3c96be7dfb86e7e9f313c49f1a3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:18.711031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038770/publication.md
observed 7e1dbba26a44781ef66463cefff6f52e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:18.690337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038770/publication.txt
observed 5569e68b889e8dce8d92cb390057e3bf...
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.