OpenTechnical

OT-2026-000055859

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000055859) never changes.

Identity and time

Publication numberOT-2026-000055859 · never reused
Internal UUID01a0ae87-0a49-7781-931f-ec1fd345ed1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055859
StatusPUBLIC

Content hashes

Canonical text69904487463707c4107e55949ec09b8bd80e6d8d670253a33e630bd126b0df33
Markdown02ae4a6c5d3a87981eeeb6871332b0e6740614c11ebd10981059b04e3fe2939c
PDF
Publication page9b43f6396c095ca8eda190791124f540a041c402e4a75bfb740015f36323023b
Manifest7a0c350a103d1f353263867ea94bf95417874f782161f96ffa07a6d95e1f2c3e

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
Signaturex923ch4SV0mrZLduYWSCuxSre1ANuBp+Yh95PgkMWBFZ4hz3AkA0S5DNJTCiXlBqlXWrwlZ04SD8erzTfWJSDA==
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

2026-09-17T10:51:15.416390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055859
observed 9b43f6396c095ca8eda190791124f540...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:15.397452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055859/manifest.json
observed 7a0c350a103d1f353263867ea94bf954...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:15.379720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055859/publication.md
observed 02ae4a6c5d3a87981eeeb6871332b0e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:15.361853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055859/publication.txt
observed 69904487463707c4107e55949ec09b8b...
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.