OpenTechnical

OT-2026-000060418

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single 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-2026-000060418) never changes.

Identity and time

Publication numberOT-2026-000060418 · never reused
Internal UUID01a0ae8a-b7cb-7300-8a9c-b2a87ab966c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060418
StatusPUBLIC

Content hashes

Canonical text2a9f8ea792c5791d0176cf2d40e254b3f695cbcd715a2efceb9e37f148c0a747
Markdown713b3182ecfb6da15d0da7a66a098328ce82ea609fe06aa40c1255244e2573da
PDF
Publication pagefede0b4a3c23200d393747cc29ec6c3132acc80d39b62c3b9baf7b5194050265
Manifestb5a5f270185f36eace8485d1314d14671ddfe8b626d1025c88fc820f04dadddc

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
SignatureGX5tvl480qpfEr+/Ak7QvXKCF5abGwt640qf4O8bWGeGztTiag+j4tL+v1h3zh1uS39PQasfNsv9rZg21jxNCw==
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

2026-09-17T10:42:53.460404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060418
observed fede0b4a3c23200d393747cc29ec6c31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:53.443199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060418/manifest.json
observed b5a5f270185f36eace8485d1314d1467...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:53.424950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060418/publication.md
observed 713b3182ecfb6da15d0da7a66a098328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:53.406747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060418/publication.txt
observed 2a9f8ea792c5791d0176cf2d40e254b3...
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.