OpenTechnical

OT-2026-000055627

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum 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-2026-000055627) never changes.

Identity and time

Publication numberOT-2026-000055627 · never reused
Internal UUID01a0ae86-a103-7d67-9785-c97f127dda4c · 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-2026-000055627
StatusPUBLIC

Content hashes

Canonical text65cec667d19066e1e60249e9d5f8d1aa50a8114a262011c1c806f6f02d92ba82
Markdownd51e6262fc862fd3522625ba04b66d20bad9dd239ae8f8cf27e85e9df4558f23
PDF
Publication page173e2750b44078e3cd547d9cc1a3978edcb276238e05b35b9a5242c61abc4b16
Manifest319740d2d847e6e01f67b970ee14963fff96182073b83cbddcf094558b193191

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
SignatureD4YfMmWuzKeT0BYe6DOIGhfYBXTFbve2+MxWT6hqFHxZRgzTL5DuX1YRSr778Rl51vGsNgwsaC2V6i5dVvo3Bg==
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

2026-09-17T10:52:52.554041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055627
observed 173e2750b44078e3cd547d9cc1a3978e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:52.535837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055627/manifest.json
observed 319740d2d847e6e01f67b970ee14963f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:52.517882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055627/publication.md
observed d51e6262fc862fd3522625ba04b66d20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:52.499573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055627/publication.txt
observed 65cec667d19066e1e60249e9d5f8d1aa...
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.