OpenTechnical

OT-2026-000040052

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000040052) never changes.

Identity and time

Publication numberOT-2026-000040052 · never reused
Internal UUID01a0ae79-26fc-7bf2-b089-39dea45e8f04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040052
StatusPUBLIC

Content hashes

Canonical textb75de85d3f6e479e418bcc173ee767e4b344965140ecd8b2030ef48d241a496e
Markdown6fd416eaa74098fed761d6710f748a019eaab9d8d27f257757b9280256f9efed
PDF
Publication page347c1a2dcfa8bf17a38e6206714648294335b2653a3e9a8e4b4142926c35a482
Manifest77a8f2e89ddc550d0060c0c400f351b25934a8b52a2465929d7c7756963b0386

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
Signatureg17GMm+qjtSH/cLL2qGLDQlQCrxkmKAlTGz+LRYombioufjE22+LiGr4vVgjxPbfhYQmwYOEAEx8wf0XT0AuCQ==
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

2026-09-17T11:20:35.732030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040052
observed 347c1a2dcfa8bf17a38e620671464829...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:35.715384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040052/manifest.json
observed 77a8f2e89ddc550d0060c0c400f351b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:35.697746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040052/publication.md
observed 6fd416eaa74098fed761d6710f748a01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:35.678104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040052/publication.txt
observed b75de85d3f6e479e418bcc173ee767e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:53.551284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040052
observed 347c1a2dcfa8bf17a38e620671464829...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:53.535473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040052/manifest.json
observed 77a8f2e89ddc550d0060c0c400f351b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:53.519971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040052/publication.md
observed 6fd416eaa74098fed761d6710f748a01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:53.503793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040052/publication.txt
observed b75de85d3f6e479e418bcc173ee767e4...
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.