OpenTechnical

OT-2026-000053943

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000053943) never changes.

Identity and time

Publication numberOT-2026-000053943 · never reused
Internal UUID01a0ae85-b3a6-7442-add7-4359b6eec6b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053943
StatusPUBLIC

Content hashes

Canonical text3f2e914204d3bc6f0647abe2750009f6e3a61ed8c8d00e4161a74fc481a8d0e2
Markdowndc3e871f3c4a39442a082976ad8eb2bff8c8c9ec914f1a7ccf6f5d8a5a29c600
PDF
Publication page4128fbb74efb054e9287d4d625965356fbcb299b35a1167333cf1e1e1e980848
Manifesta3ed635e602933731380efa0850b28abe6cdf2dc1f87b66d406dac53275b2224

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
Signaturee0Mi83EZ2n75KGXs+xMr1FJoVC9eJKxqShcSMdUA2TLdo5mhfL7KMlL/RcQAe248ymh/kIf0fYFn5hBKoMbfAg==
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

2026-09-17T10:54:11.482378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053943
observed 4128fbb74efb054e9287d4d625965356...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:11.463243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053943/manifest.json
observed a3ed635e602933731380efa0850b28ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:11.443353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053943/publication.md
observed dc3e871f3c4a39442a082976ad8eb2bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:11.424923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053943/publication.txt
observed 3f2e914204d3bc6f0647abe2750009f6...
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.