OpenTechnical

OT-2026-000099518

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000099518) never changes.

Identity and time

Publication numberOT-2026-000099518 · never reused
Internal UUID01a0aea2-c974-7a97-83a0-61fca65c5d84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099518
StatusPUBLIC

Content hashes

Canonical text4a466715dbaa88b8091303b5db8106fb06ceab24a39bff01aa2b58e09ce486d2
Markdown8168acbaabab4cf35c9b95ab79d8cbfbdc3171139b3f6a9396b166292f77b6fd
PDF
Publication page530e67bd7fc088617e164e9820a43345ca7994b2636903b9b413b2d2a9ea71c5
Manifest6911c5d62fb342e0a1c3beb3d5bb4f95b34a65d8847fe60809abd5f91c877ba5

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
SignatureAFFCNoFU1cEkiWag7/i43/v56XBY5w4PXU7M9alfuuYLwfyLj77v7sQwCWpvkJx+Jk6EHB8UYash/Wg4ls/2Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:24.939532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099518
observed 530e67bd7fc088617e164e9820a43345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:24.921507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099518/manifest.json
observed 6911c5d62fb342e0a1c3beb3d5bb4f95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:24.903056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099518/publication.md
observed 8168acbaabab4cf35c9b95ab79d8cbfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:24.885922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099518/publication.txt
observed 4a466715dbaa88b8091303b5db8106fb...
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.