OpenTechnical

OT-2026-000070972

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000070972) never changes.

Identity and time

Publication numberOT-2026-000070972 · never reused
Internal UUID01a0ae91-8c2e-760d-a71f-a25165357ce2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070972
StatusPUBLIC

Content hashes

Canonical text1f6b0ffe3eeaa072daa3ae7ec4d465c090397b90fc1697783c95a532cfcb32c2
Markdownbd15a57df2049dd729670abdc08dc4a425b896ab7a88149a10be25fc89e3ae9b
PDF
Publication pageb429accb10e007b438922b9458db7a9d88d9fb857924b486bd7cef90a7497b28
Manifest44d7113be1fe476073d0f500a8a5040dc31cac4059bd93e63691fff1bc662f52

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
SignatureSR2R0yKGgtcjhojkXJytPkGprw+ZhtAGK5MDZboG/TupFfVwKmLTSz3pgvkb8VNAS4hx+yKdWoUqqi2Jss5zDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:48.754114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070972
observed b429accb10e007b438922b9458db7a9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:48.736693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070972/manifest.json
observed 44d7113be1fe476073d0f500a8a5040d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:48.717587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070972/publication.md
observed bd15a57df2049dd729670abdc08dc4a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:48.700100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070972/publication.txt
observed 1f6b0ffe3eeaa072daa3ae7ec4d465c0...
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.