OpenTechnical

OT-2026-000041192

Publication integrity record

Single bellows cup vacuum gripper, pump fed, pulsed blow-off after 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-2026-000041192) never changes.

Identity and time

Publication numberOT-2026-000041192 · never reused
Internal UUID01a0ae79-b143-7bf8-85e2-118fe0561a67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041192
StatusPUBLIC

Content hashes

Canonical text585a6f8a3ca120ffd7e87f1f01be59e6ef7b4744ff931fe2d15c5bcfce79b718
Markdown477d23a0e24b6e3f38639763d8fce244b025f4d8d5c4a9b087b0f7131d153788
PDF
Publication pageb2a241c59b0ec392ce9916506053621d8eb77afc072f66ba1444cbe9deba2522
Manifest55c0c1f0157fcb5eeaed727158c080bd770f230447449a7cdb18d34e312cf8b4

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
SignatureUg/BwfVeZ8Eo2/rA0b4YD4AKaKM1fwzAyZ0dpExsvGDFlqusmAOPLHScOuNvWqCA2sQ/2F2sie31ivdJEQxGBA==
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

2026-09-17T11:17:08.681438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041192
observed b2a241c59b0ec392ce9916506053621d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:08.663187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041192/manifest.json
observed 55c0c1f0157fcb5eeaed727158c080bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:08.644445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041192/publication.md
observed 477d23a0e24b6e3f38639763d8fce244...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:08.625676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041192/publication.txt
observed 585a6f8a3ca120ffd7e87f1f01be59e6...
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.