OpenTechnical

OT-2026-000026833

Publication integrity record

Single cup vacuum gripper, single stage ejector, supply line 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-2026-000026833) never changes.

Identity and time

Publication numberOT-2026-000026833 · never reused
Internal UUID01a0ae72-3452-7db9-ae7a-e4a4d0c3c076 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026833
StatusPUBLIC

Content hashes

Canonical textbf260dd446e19f9777df731cc94fe47d46c2f49bc4e62fee16da4567737ec92a
Markdown6c068e7a29a7fcae9140079968cec5d2762747633e7f8fad11fd28711f94cc77
PDF
Publication page3edddce7acb6339f99069f5bb80563fc0acaac88f2202fc169a90d4c6edc56c0
Manifest4c10d9b97af01ac46a44af6216446a940c4284cd103a69a9c9c98d70788b42c9

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
Signaturea1Obos3OcIOBU16zKXyQ7bb2YSoIcTL00r+UvNH/Z+TLje+NFMWO8Zrt6i8oWhrDSuGmweRZA0zRWkM3W9rbCg==
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

2026-09-17T11:43:25.099960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026833
observed 3edddce7acb6339f99069f5bb80563fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:25.082899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026833/manifest.json
observed 4c10d9b97af01ac46a44af6216446a94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:25.066932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026833/publication.md
observed 6c068e7a29a7fcae9140079968cec5d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:25.048707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026833/publication.txt
observed bf260dd446e19f9777df731cc94fe47d...
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.