OpenTechnical

OT-2026-000055870

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000055870) never changes.

Identity and time

Publication numberOT-2026-000055870 · never reused
Internal UUID01a0ae87-0a49-7cf8-add6-b69a52b6bcd1 · 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-2026-000055870
StatusPUBLIC

Content hashes

Canonical textf05ffafefdabf80c46b5ebe37647f9fb6673781f72d39fd45ad1805d4b4e8c9d
Markdownd46aac08bc25f011dd8fe64d62186e10a9c06799f9bc6fd0566ce1074bdb616d
PDF
Publication pagee3c7fc95d880c65e436f40c09f9ec453692159d9f22a190a6341543acae1491d
Manifeste4ba29a41c06b5c547e13ea4cd5a5892f44393d870cbbba9853fe742730d4a5f

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
SignaturegHSKnrjSnVd5s+NBbx+NZpTurINHNoiLH5iQUKJV0ROtn8umc4FvGmRXcxCTQ0yo7HgASiffpEyXzyxQdPGkCw==
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

2026-09-17T10:51:16.292232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055870
observed e3c7fc95d880c65e436f40c09f9ec453...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:16.275241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055870/manifest.json
observed e4ba29a41c06b5c547e13ea4cd5a5892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:16.256467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055870/publication.md
observed d46aac08bc25f011dd8fe64d62186e10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:16.238987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055870/publication.txt
observed f05ffafefdabf80c46b5ebe37647f9fb...
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.