OpenTechnical

OT-2026-000049495

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000049495) never changes.

Identity and time

Publication numberOT-2026-000049495 · never reused
Internal UUID01a0ae81-8f7c-743a-8347-5b70f3f084c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049495
StatusPUBLIC

Content hashes

Canonical text5efbabf24cfaaeb5368c63a5e6765687bfa54b486734c85449c0f1dddcfe743e
Markdown237e3c0429a0d4e6c05fb340bead4b0214a276e33538722e12e283f5509a6328
PDF
Publication pageb1ec81134f0780b0013cae434511392ee12bb3e00734853278a5e822c7089a39
Manifestbb88580031533c97d6d93628de4ae23a97976f55c3cdb35a1bb02fe5c3eac8af

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
SignaturelLO6ANdnHg4yP4ZAu9+hrtcC7abLy9WC7wKwdeDLWIYI0eqYpsoq4NLqWtgICyEoL5kXWLf8es1N7MOWe78TCg==
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

2026-09-17T11:02:20.759970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049495
observed b1ec81134f0780b0013cae434511392e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:20.742933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049495/manifest.json
observed bb88580031533c97d6d93628de4ae23a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:20.724102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049495/publication.md
observed 237e3c0429a0d4e6c05fb340bead4b02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:20.704661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049495/publication.txt
observed 5efbabf24cfaaeb5368c63a5e6765687...
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.