OpenTechnical

OT-2026-000045679

Publication integrity record

Foam pad vacuum gripper, three zone face, 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-2026-000045679) never changes.

Identity and time

Publication numberOT-2026-000045679 · never reused
Internal UUID01a0ae7d-8f03-7574-a699-5fb2d5fad1dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045679
StatusPUBLIC

Content hashes

Canonical text7dd9d51194cd1ca2d6f2a9dafb124a756d0a4111e68e741eb4dc3c3a7eaf718a
Markdown9375f835ad32e2de62ca4f4c27c58beb4abaab048b524114df8be8edf73c9069
PDF
Publication page3891e4dfb8ac4f95dc2771bdcfac54c4a2aec37e15dadb7aaa3a64df14c8eab7
Manifestf03f5bd2bce8c30415f99dd92601a5d191349e1415c99f90f605d5f1d26fcb36

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
SignatureqNp8TCjjgz647MWyMtHM1lxSferC88wJ/lR4O3RiEayhHNmxWFi2e49XzTBCao4XE71x6nL+TEaCUHax4lRPAQ==
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

2026-09-17T11:09:28.730841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045679
observed 3891e4dfb8ac4f95dc2771bdcfac54c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:28.712874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045679/manifest.json
observed f03f5bd2bce8c30415f99dd92601a5d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:28.694513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045679/publication.md
observed 9375f835ad32e2de62ca4f4c27c58beb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:28.675927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045679/publication.txt
observed 7dd9d51194cd1ca2d6f2a9dafb124a75...
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.