OpenTechnical

OT-2026-000038798

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000038798) never changes.

Identity and time

Publication numberOT-2026-000038798 · never reused
Internal UUID01a0ae78-769f-7b02-8759-857748aac8b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038798
StatusPUBLIC

Content hashes

Canonical text059125c706cc4027bf8a097448a093c687800c8fa899211f2b6f64019b7905a6
Markdowndced75920ebb47fe70e7f689fdd75dd6fefd5dd337fd0901ddbf8b82f847a67a
PDF
Publication page812285caa3054606d90613cef4fb31e15edb495f398adb3a1e5798eccaf9fecf
Manifest8bf7d106510d894a870d0df2910f0a4b44b3156a9d8875583fb9ed1faa85ae52

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
SignatureEHneWQSSYIH17Nn/s3aeOCj7bMSgLthfitUkpaiiaEuFkQ8EYXDuAik8mKHaKA2ddZATq0w/c40nIcPxM1toCQ==
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

2026-09-17T16:41:07.473918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038798
observed 812285caa3054606d90613cef4fb31e1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:41:07.306815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038798/manifest.json
observed 8bf7d106510d894a870d0df2910f0a4b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:41:06.989387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038798/publication.md
observed dced75920ebb47fe70e7f689fdd75dd6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:41:06.758437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038798/publication.txt
observed 059125c706cc4027bf8a097448a093c6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:21:21.077121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038798
observed 812285caa3054606d90613cef4fb31e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:21.059689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038798/manifest.json
observed 8bf7d106510d894a870d0df2910f0a4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:21.039194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038798/publication.md
observed dced75920ebb47fe70e7f689fdd75dd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:21.020716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038798/publication.txt
observed 059125c706cc4027bf8a097448a093c6...
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.