OpenTechnical

OT-2026-000033631

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, pulsed blow-off before 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-2026-000033631) never changes.

Identity and time

Publication numberOT-2026-000033631 · never reused
Internal UUID01a0ae75-a38f-7ae1-a1c6-b061ca0aeb4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033631
StatusPUBLIC

Content hashes

Canonical textd79fc46004b57bbd4a021f90c4f089189c536ac3b80b15f378f2572c0534a896
Markdown13291b6a38e6703da5ec4b1e659002bb981b3955beebf6f087fb5af0208cca28
PDF
Publication page5c023cc1ec0a21c04a659aba9d6c0a5cddceacc9f6f29484ada95b3c3dffe009
Manifestced252c9e2168dbe308d92b088dfd899b163fa5391409daca41cf6c751830296

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
SignatureDhcXWeSe+1sYq3bz8YjB9GoqwSUbA0EJLdeWKcFErpFAMPurvn1A5nSapsJAct+6Ig6RUSAq650ZMB/lGka4CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:36.658126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033631
observed 5c023cc1ec0a21c04a659aba9d6c0a5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:36.640491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033631/manifest.json
observed ced252c9e2168dbe308d92b088dfd899...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:36.622612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033631/publication.md
observed 13291b6a38e6703da5ec4b1e659002bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:36.602912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033631/publication.txt
observed d79fc46004b57bbd4a021f90c4f08918...
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.