OpenTechnical

OT-2026-000004707

Publication integrity record

Vacuum cup gripper, four outlet manifold, three stage ejector, 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-2026-000004707) never changes.

Identity and time

Publication numberOT-2026-000004707 · never reused
Internal UUID01a0a920-c9d4-706f-9d99-6ce1c64ed45b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:31:33.463493Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004707
StatusPUBLIC

Content hashes

Canonical text862abbc887a1ba185c5bb21d8820a3669f96fffdef0822ef76e6b7cee8ae17d9
Markdown4514317e4782c7599e85e6a24d55c48691796089460659786d658fa18464ef8d
PDF
Publication page93543db6e2fdb94cd331014d311dd1010b683db7e4d43ba44c5751e07aa2c040
Manifest1f26954b032ea1140cfc154b653b45c47cde9d357990135d8bab233107511b76

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
SignatureiQqdHyD4Knqktk0CCi17HOlo1ZFbuqowyGf1WXBdEii5l/bMZdLe1xJQWNMvMHGhWFqPVrcf+KaqYlZ+n/T1Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:27.447240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004707
observed 93543db6e2fdb94cd331014d311dd101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:27.434912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004707/manifest.json
observed 1f26954b032ea1140cfc154b653b45c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:27.422897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004707/publication.md
observed 4514317e4782c7599e85e6a24d55c486...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:27.411225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004707/publication.txt
observed 862abbc887a1ba185c5bb21d8820a366...
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.