OpenTechnical

OT-2026-000060350

Publication integrity record

Foam pad vacuum gripper, three stage ejector, vented after 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-2026-000060350) never changes.

Identity and time

Publication numberOT-2026-000060350 · never reused
Internal UUID01a0ae8a-5a75-7455-a416-bd2679c57809 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060350
StatusPUBLIC

Content hashes

Canonical text49e51bb03797561b436696e955e1322f4e873ec5a7979851b47d90e6b2f75f3b
Markdown28717d45c240648dd7353cf4c84ce559bc300c8f98559e410dc2bd73859d6986
PDF
Publication page9c88c25efa5a7577067e3df40ac84c7154ed02ae123a3412addf1d399c2d6d8b
Manifestbf080ebe2bdeeb5e0d1d421db6b1765f15783c3da166a55b723aa2a3e8866a8c

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
SignaturegCmdTIYXHaBVdMypco6BjpD40w1w6CNOJ7wJAL7VgQrph21zxVvuoSi/R43xzE0Im5qcLo3PR+CuB0K0XSrpCg==
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...

Independent retrieval

2026-09-17T10:43:38.327851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060350
observed 9c88c25efa5a7577067e3df40ac84c71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:38.308342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060350/manifest.json
observed bf080ebe2bdeeb5e0d1d421db6b1765f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:38.291134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060350/publication.md
observed 28717d45c240648dd7353cf4c84ce559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:38.271474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060350/publication.txt
observed 49e51bb03797561b436696e955e1322f...
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.