OpenTechnical

OT-2026-000026696

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000026696) never changes.

Identity and time

Publication numberOT-2026-000026696 · never reused
Internal UUID01a0ae71-f4aa-7664-a1f7-3673bcbc28be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026696
StatusPUBLIC

Content hashes

Canonical text7f23d4e5bc006ed165aaaeb3e49b3b9fe8d7b85945c7fc3610529ca5a6000e51
Markdown9a5313c2c6914e41ea8d4b03c2ec5ff58444e35e06519e75856505c750ca21c1
PDF
Publication page81292c6252e37427835613ed52800f5b0bca411f6c6517f41733cc7739d1f42f
Manifestbaf6a169a1a9603767864573caf820de2646a6668ee5aa6175b603c6ac42250b

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
SignaturelYbOUEdFP0gSQzhYefhRwYM7rU5gYi0ps6FiLh3ODPKI+y7aggpOmf7RDPHYYelOvTBgkp5BhmbDBIwL5HtSCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:45:47.217980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026696
observed 81292c6252e37427835613ed52800f5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:47.176438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026696/manifest.json
observed baf6a169a1a9603767864573caf820de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:47.157567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026696/publication.md
observed 9a5313c2c6914e41ea8d4b03c2ec5ff5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:47.134372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026696/publication.txt
observed 7f23d4e5bc006ed165aaaeb3e49b3b9f...
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.