OpenTechnical

OT-2026-000050088

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off after set-down, on a tool changer

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-2026-000050088) never changes.

Identity and time

Publication numberOT-2026-000050088 · never reused
Internal UUID01a0ae81-fd79-75b4-8810-cfc96737dffe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050088
StatusPUBLIC

Content hashes

Canonical textb6e34f6b2cdf9f97f7cba8b61666144d89f6631aab8c969763eefdfb3a6e5178
Markdown83a7316b7d584c8627037c10bf90f09fa03e9bbaaba399003c9917bd5bbcc8ce
PDF
Publication pagecd6f78c18ee889969872e8bf0fed6df122900bb8875fe0d71fadecea26e4f1ea
Manifestb9bd955479b601059a811764d94b74c0cd7310dd95af00760d1d7b5aa090c32c

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
SignatureOt+CNC6/oPDWD3YABq/KVxQXkc52kLS/Qna+Oym357GyteuhyAwZGxTwRGMCNetKFoss2wRY/YKtsWILsBi/Bw==
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

2026-09-17T11:02:05.084641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050088
observed cd6f78c18ee889969872e8bf0fed6df1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:05.067998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050088/manifest.json
observed b9bd955479b601059a811764d94b74c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:05.047819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050088/publication.md
observed 83a7316b7d584c8627037c10bf90f09f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:05.027644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050088/publication.txt
observed b6e34f6b2cdf9f97f7cba8b61666144d...
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.