OpenTechnical

OT-2026-000055426

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000055426) never changes.

Identity and time

Publication numberOT-2026-000055426 · never reused
Internal UUID01a0ae86-a101-79d4-b07b-8e0695087213 · 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-2026-000055426
StatusPUBLIC

Content hashes

Canonical text93665564bff1762f5bb9ccbfc50ef423b762ba121a01d5767f0ae00c3b625827
Markdown1f2bebf40eb42b6dbd93ed19fbcf8d9360d891f4b4c01468708b23e4e1b4ff80
PDF
Publication pagedfd038cec3fa45726e968cddbf432524f2eac713c5c003b14e28f92d34b76622
Manifestef238960018d67778b46e09d2a000158ce78a20ef02f0d2062177d34ef80ba26

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
Signature9YGT7LMG3gbCWqd8errrxs8RUWJONdc12QE0tBgUW5Z6Udg3dCPQv5X74U+JOa2uGsfdQTAllAyVMrORi1TTAQ==
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

2026-09-17T10:52:04.416690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055426
observed dfd038cec3fa45726e968cddbf432524...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:04.398653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055426/manifest.json
observed ef238960018d67778b46e09d2a000158...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:04.381487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055426/publication.md
observed 1f2bebf40eb42b6dbd93ed19fbcf8d93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:04.363166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055426/publication.txt
observed 93665564bff1762f5bb9ccbfc50ef423...
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.