OpenTechnical

OT-2026-000043279

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000043279) never changes.

Identity and time

Publication numberOT-2026-000043279 · never reused
Internal UUID01a0ae7b-327d-7f0d-ae55-e7dd28bf0ab1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043279
StatusPUBLIC

Content hashes

Canonical text76293f47a298858330d7db7f6895911beac7738ca684ad06475b4404a2bb15ae
Markdown06b561200f4b0d4bf747b5226c060c729b3dd631adce1af94f1a6e854302353d
PDF
Publication pagee13be902f7b734cf0442281838fa954f469b2f837663261698cd040e2763fb26
Manifest481fb76232230e58725522a92e82da239acc2bdc31430d111743f6880d08c370

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
SignatureGmRSlOOhpynD4xBCEuJjbI1bZTWFX4UMwZ3/ba8ZQ7XAvfu3SIHwFlmBS1uCZIUtiZ4HmTWLB5e3A7qrQxzVAg==
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

2026-09-17T11:13:46.117899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043279
observed e13be902f7b734cf0442281838fa954f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:46.098467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043279/manifest.json
observed 481fb76232230e58725522a92e82da23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:46.077095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043279/publication.md
observed 06b561200f4b0d4bf747b5226c060c72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:46.057735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043279/publication.txt
observed 76293f47a298858330d7db7f6895911b...
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.