OpenTechnical

OT-2026-000085603

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, sustained blow-off 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-2026-000085603) never changes.

Identity and time

Publication numberOT-2026-000085603 · never reused
Internal UUID01a0ae99-aaad-7dc8-a445-82cf5a306518 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085603
StatusPUBLIC

Content hashes

Canonical text2a8b1c3510fe366835e778495f2951f0c804cd1b28550a6e17be4aca423b768c
Markdown5947f79807362fd0866ba19042b53fd5e3373dce9e677b876bda56b9fa7156b4
PDF
Publication page0380fcb39bc6494cb49583838737264e139e8639776318effae09dccb9e587ee
Manifestfd1794a8f1a8b799adfd9a8f55d5cb2c3bbab6350c50aab498bdef537ac4b64d

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
Signature73zZxmimV3p/VvHZf27GbkvG1xajzy8j1taBwmQmkUU0rTPY8SnUjbGFK/XuEKSzRghAX0MIhiX4i35NKZ09CA==
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

2026-09-17T09:54:28.847490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085603
observed 0380fcb39bc6494cb49583838737264e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:28.830150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085603/manifest.json
observed fd1794a8f1a8b799adfd9a8f55d5cb2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:28.813698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085603/publication.md
observed 5947f79807362fd0866ba19042b53fd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:28.796148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085603/publication.txt
observed 2a8b1c3510fe366835e778495f2951f0...
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.