OpenTechnical

OT-2026-000088246

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000088246) never changes.

Identity and time

Publication numberOT-2026-000088246 · never reused
Internal UUID01a0ae9b-1aa9-73db-b8ff-8f0bbd512fc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088246
StatusPUBLIC

Content hashes

Canonical text6098283331a29933f18fb2013a98a47864ba73ed03c28c498c885a54ac2d2838
Markdown243357abed3726b36eda88e5e442980871bafb1a9bdd6a9a5374b5f1693e1636
PDF
Publication page4c4af83299b282faebaffe0a5ef8a38eb560ae9911352f6dba2a0400cdfd5560
Manifest1e907160414ceea49061ebb366467bf775c9173c0d157860176945175c7ba6a4

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
SignatureqdIVN0cm+gGzhP3VAP+IINEs/egtxCT8h54fnTsBpq6B45jSfOxnWmJ9sl0GoYdyVCWMsrZBwSYdMXHOAFykDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:21.114491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088246
observed 4c4af83299b282faebaffe0a5ef8a38e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.098911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088246/manifest.json
observed 1e907160414ceea49061ebb366467bf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.080919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088246/publication.md
observed 243357abed3726b36eda88e5e4429808...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.063202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088246/publication.txt
observed 6098283331a29933f18fb2013a98a478...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.720949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088246
observed 4c4af83299b282faebaffe0a5ef8a38e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.701444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088246/manifest.json
observed 1e907160414ceea49061ebb366467bf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.682277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088246/publication.md
observed 243357abed3726b36eda88e5e4429808...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.662759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088246/publication.txt
observed 6098283331a29933f18fb2013a98a478...
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.