OpenTechnical

OT-2026-000036531

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, supply line 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-2026-000036531) never changes.

Identity and time

Publication numberOT-2026-000036531 · never reused
Internal UUID01a0ae77-46e6-7c1e-8f58-426e767e6e1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036531
StatusPUBLIC

Content hashes

Canonical text54ad027603bf9075bae8df5d4f4ce58e1f91c8d967ceb934ee90b3d6bb62a2a1
Markdown933e705a7bb8f4d7ff0809127d07714cffaefe697c7eb8b07576819d56c9042f
PDF
Publication page2069b6896f9d1e5872a2b3523b0a0b09f8e07cb88737fcb4693fa6ce7c7f360e
Manifest8fa08c50bfa06c7743bf99687a99b091b28b69e023c8c19083f133da6313b60f

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
Signaturemd8Nwi9G6Ka6psuSoEf7IM/NEaBMV3N9Z82f+ZtDwFpE+yh0xgCcIm4iSVjrlsZ7MhNKj4u9wtynrrHisgrMDA==
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

2026-09-17T11:25:44.550865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036531
observed 2069b6896f9d1e5872a2b3523b0a0b09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:44.535968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036531/manifest.json
observed 8fa08c50bfa06c7743bf99687a99b091...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:44.518708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036531/publication.md
observed 933e705a7bb8f4d7ff0809127d07714c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:44.501907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036531/publication.txt
observed 54ad027603bf9075bae8df5d4f4ce58e...
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.