OpenTechnical

OT-2026-000009682

Publication integrity record

Two finger pneumatic gripper, stripped after 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-2026-000009682) never changes.

Identity and time

Publication numberOT-2026-000009682 · never reused
Internal UUID01a0ae6b-7564-7408-a4cc-076b88ecf2ce · 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-2026-000009682
StatusPUBLIC

Content hashes

Canonical text879d536feb0b2f198477e16369020c840e5aa7fc24ab4a47787ef740f4acc014
Markdown7559688fad7f9a75794044038502c7cb9e3423dd18f0acf790fed805e9ea1ef1
PDF
Publication pageb7ca8f094a91307ac9726cd4ca6cd6374ed530e3099959b92c40bcbc7f129100
Manifestfc62eaa4566328c90566851ce5139f48eef0cc4f12b3904d06aab0000074af32

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
SignatureBWzj7tWae/dbZgYdkUweqj+75tBNlDgEsWoGevh1SyUqvtvrI5TjcA1usLdjCD1NIkKTCmfTpwRIXxuzhHs8CA==
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

2026-09-17T12:17:09.749518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009682
observed b7ca8f094a91307ac9726cd4ca6cd637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:09.726836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009682/manifest.json
observed fc62eaa4566328c90566851ce5139f48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:09.706796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009682/publication.md
observed 7559688fad7f9a75794044038502c7cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:09.669503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009682/publication.txt
observed 879d536feb0b2f198477e16369020c84...
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.