OpenTechnical

OT-2026-000079174

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, vented after set-down

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-2026-000079174) never changes.

Identity and time

Publication numberOT-2026-000079174 · never reused
Internal UUID01a0ae96-0b8f-7f7f-8e61-7402df7ed7ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079174
StatusPUBLIC

Content hashes

Canonical texte1cd2ac7aef1c24f5dc67440b45e57de410d26a63c2f4f1f96155c270ba75a4a
Markdown24ba20bd99671d0fe78c21411dc9bf8b47c827779bb7d378c070d3f705cbe311
PDF
Publication pagec541a82eddb033b14740095af8ad0d8b73ee54833e8b41b4192607c7b3a9f595
Manifest4ca594bcc7e2f831daa362800bcebd949375587c0521f6a9b2f459b179c0c89a

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
Signature223pgVMlA2UWm4uIDfwmlh+Mdnee3BFEacURQbrBsdKo78aUM/Z65RKZ6zEwWVpbWMed3buxAazUaYvmd3yFBw==
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

2026-09-17T10:04:40.695970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079174
observed c541a82eddb033b14740095af8ad0d8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:40.675204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079174/manifest.json
observed 4ca594bcc7e2f831daa362800bcebd94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:40.656201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079174/publication.md
observed 24ba20bd99671d0fe78c21411dc9bf8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:40.635152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079174/publication.txt
observed e1cd2ac7aef1c24f5dc67440b45e57de...
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.