OpenTechnical

OT-2026-000007191

Publication integrity record

Bellows cup vacuum gripper, three outlet manifold, two stage ejector, vented after 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-2026-000007191) never changes.

Identity and time

Publication numberOT-2026-000007191 · never reused
Internal UUID01a0a975-fa79-7204-b666-0616ed13328c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:04:36.477811Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007191
StatusPUBLIC

Content hashes

Canonical textbc0a4e3136a68411c6e4377d02e2d129cca97c7d4b987b74f435728ad14b778d
Markdown942e30cc6104f579c7a3bc491bb17af8d34767889033aa8837b90af69c62e05a
PDF
Publication page4090243d7763bca219f6ac3b1afb07923d789b5caa9da912283dd02efc0ea571
Manifestca49757a6111fcf38497a8747191be4677f9353fb61b5227013204cc1dba6173

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
SignatureO0ODDNYimefEjkhxhnQwsJ1CXMIMvALbk6cNZ3NHC0ZzAfhthkCW85Ht4WwYz23TqoqH/M7XZzpm1BdGOqlRBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:17.477961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007191
observed 4090243d7763bca219f6ac3b1afb0792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:17.463796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007191/manifest.json
observed ca49757a6111fcf38497a8747191be46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:17.449910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007191/publication.md
observed 942e30cc6104f579c7a3bc491bb17af8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:17.438386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007191/publication.txt
observed bc0a4e3136a68411c6e4377d02e2d129...
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.