OpenTechnical

OT-2026-000006288

Publication integrity record

Bellows cup vacuum gripper, two outlet manifold, two stage ejector

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-2026-000006288) never changes.

Identity and time

Publication numberOT-2026-000006288 · never reused
Internal UUID01a0a955-a9c6-7d41-9437-8e41331f4223 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:29:18.666303Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006288
StatusPUBLIC

Content hashes

Canonical textfdc2d60e4d79211a3ae56e7bc89e4f82d0666f7cbaa3c1aee6c49f8ab943d828
Markdownc809ffa21175d4e990679b748bedf4dfd1690fd569f0ac84f1a8a026686db507
PDF
Publication pagee3ea3434edc45075de631c9b07d323d06cccffcfc82e6635bb93e90afb97747a
Manifestf7c8f5e8bd05e8f679ab7abba91b9d9fefa322c8c189cfa9fdcfc5895de0e87f

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
Signature8vJv0wWkKqnLV3mB7vnQY/5+DC3VZq3IrWlXFXyOnu0996HsDVCubJ+/QAUEMMYxzYKINptldasZ0vTqRiPvBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:30:05.398881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006288
observed e3ea3434edc45075de631c9b07d323d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:05.385527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006288/manifest.json
observed f7c8f5e8bd05e8f679ab7abba91b9d9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:05.373523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006288/publication.md
observed c809ffa21175d4e990679b748bedf4df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:05.229301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006288/publication.txt
observed fdc2d60e4d79211a3ae56e7bc89e4f82...
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.