OpenTechnical

OT-2026-000078843

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000078843) never changes.

Identity and time

Publication numberOT-2026-000078843 · never reused
Internal UUID01a0ae95-ccbd-7c19-a5fc-a60363d2d3bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078843
StatusPUBLIC

Content hashes

Canonical text159cc5ded0bbb244f45a42cf697c92d821d8d03996288fe45c4b221c4a3a5610
Markdown372175b4ac2e324426d30673f283d34a5a64320e31522f6b178bcb9cd8869f91
PDF
Publication page5c00af6f0fa95f03fa92a898e51b39e5cea90571ad8ae0c4aba0cd5f7eb7b9bb
Manifest12ac18dc4ce3d3cb4699a27c4dcc8d4a7bd7f0081bad4c6c2c2942226ad822f3

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
Signature8j3eImexrmqLNt2ANuuVA6WBUoiICrs96iSHXK64mrEhGyTdlZnOxSiZmReT7Az9EijA53485at9+n6dL/CpAQ==
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

2026-09-17T10:05:38.523558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078843
observed 5c00af6f0fa95f03fa92a898e51b39e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:38.506901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078843/manifest.json
observed 12ac18dc4ce3d3cb4699a27c4dcc8d4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:38.490068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078843/publication.md
observed 372175b4ac2e324426d30673f283d34a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:38.473578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078843/publication.txt
observed 159cc5ded0bbb244f45a42cf697c92d8...
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.