OpenTechnical

OT-2026-000009747

Publication integrity record

Two finger electric gripper, 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-2026-000009747) never changes.

Identity and time

Publication numberOT-2026-000009747 · never reused
Internal UUID01a0ae6b-7564-7fb0-93d8-6166b254dce9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009747
StatusPUBLIC

Content hashes

Canonical text313b757a47504d2aa9f6f6d2df40a41f44d4ed15352f99d3f7313daab47c2101
Markdownc1a4fc619cd40632e97fa0d55192d9cd7f7210e38e2ca321949b266a2e2c7791
PDF
Publication pagea3bdb65121ee923725f14a61b0dd2deb97377a25aad874c8452fa26bcc8364c3
Manifest3a5414f3bc6e93b73adb5aac40d7d6b275c78256809f05d9879824337883bd76

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
SignatureLzpmx70swMaEIqL/7/s/VdINwn1F+2xURFbM1KlsQgCBKVAeICaCAyv5Sd7VdrJXXyUEw0x1myE/aUuarIbLDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:15.177527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009747
observed a3bdb65121ee923725f14a61b0dd2deb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:15.158473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009747/manifest.json
observed 3a5414f3bc6e93b73adb5aac40d7d6b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:15.138664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009747/publication.md
observed c1a4fc619cd40632e97fa0d55192d9cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:15.118054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009747/publication.txt
observed 313b757a47504d2aa9f6f6d2df40a41f...
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.