OpenTechnical

OT-2026-000089087

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000089087) never changes.

Identity and time

Publication numberOT-2026-000089087 · never reused
Internal UUID01a0ae9b-daff-73d3-a66e-fab8add8047a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089087
StatusPUBLIC

Content hashes

Canonical text4c4ed3a0646eeb3fe1b303fca62e8a879b89b5dd6af8e6f68466cdad601ebe5f
Markdown3a0012c438bf037e61259dbab7a2c57297557aa9924dd63cb70cbf4d8e9a5a79
PDF
Publication page0c2aa2a7c772773d7f6653ed9d1806f2843f543f8803bdea0a494b99828f9c17
Manifest23572d4ce8af62e1dbfc54f6f99482e2b3049ec68abf52beb13fcfd55d67b3da

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
Signaturen8BPiXl8l9RbgeFh5Ln1ZY+PKAobwV4cuNT4z2Dn83eGPuZGe5dhLN30DRFOJQpoj2J6GlxSq8t1oBrVlY5iAw==
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

2026-09-17T09:46:59.585338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089087
observed 0c2aa2a7c772773d7f6653ed9d1806f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:59.534465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089087/manifest.json
observed 23572d4ce8af62e1dbfc54f6f99482e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:59.516923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089087/publication.md
observed 3a0012c438bf037e61259dbab7a2c572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:59.462227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089087/publication.txt
observed 4c4ed3a0646eeb3fe1b303fca62e8a87...
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.