OpenTechnical

OT-2026-000055335

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, 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-2026-000055335) never changes.

Identity and time

Publication numberOT-2026-000055335 · never reused
Internal UUID01a0ae86-a100-74c4-92b5-56ed73c48232 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055335
StatusPUBLIC

Content hashes

Canonical text3420bc8565f6d2862d37952002c83c49bd271fdd855dffb82f63fcd3d0abe12d
Markdowndb00a041ef698c046092b5bb3a86ef0e6619d874730ad0ab9da0148a370b5075
PDF
Publication pageab87095d6955b7352e0a97698e11f23f8ba4a168546b9b8a2e65b9bf9b21a42f
Manifestb4478b4788aa9bfca3cefcf1009035900fcda7dae0d1c53621696373e5a6b5fc

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
SignatureFG47xzL8Dllg6dlDIuRAL49R5007/XjbTStgB99AHSRIoTVno2Dk6yuuiX2sarR0l49/giTJtHcqUwhUrX2EBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:57.415145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055335
observed ab87095d6955b7352e0a97698e11f23f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:57.398138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055335/manifest.json
observed b4478b4788aa9bfca3cefcf100903590...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:57.380972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055335/publication.md
observed db00a041ef698c046092b5bb3a86ef0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:57.363955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055335/publication.txt
observed 3420bc8565f6d2862d37952002c83c49...
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.