OpenTechnical

OT-2026-000081610

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000081610) never changes.

Identity and time

Publication numberOT-2026-000081610 · never reused
Internal UUID01a0ae97-0f72-7e6f-b12f-03beae8caef4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081610
StatusPUBLIC

Content hashes

Canonical text49b9750ef884832ef7a8a7f3f6b603276e8071b3a1a809c11c6138b712d31b05
Markdowne1d1ab386e71b013c95c2b36091ee4f431bb01251ecfd65c90572bdaf0af1544
PDF
Publication pagee27068ff75fbb2a7e78f3a9a33bfe0818b8fdaf011631bede1b6bce85cbf2227
Manifestdefdf884cc7a4508eccbc1bfabb5f68b314e231740290e3ef5ab2786b52b9d7a

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
SignatureK/kK33GKfuPtJaQuEOPKDc5kNqmqlGNw1zGzwDO51Om+iHJlmoDvq3gLPdzBu5zWzx3TC72OGdcItWxONj4HBg==
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

2026-10-24T12:41:27.129043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081610
observed e27068ff75fbb2a7e78f3a9a33bfe081...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T12:41:27.077792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081610/manifest.json
observed defdf884cc7a4508eccbc1bfabb5f68b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T12:41:27.021626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081610/publication.md
observed e1d1ab386e71b013c95c2b36091ee4f4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T12:41:26.922541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081610/publication.txt
observed 49b9750ef884832ef7a8a7f3f6b60327...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:59:39.007281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081610
observed e27068ff75fbb2a7e78f3a9a33bfe081...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:38.989613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081610/manifest.json
observed defdf884cc7a4508eccbc1bfabb5f68b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:38.970818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081610/publication.md
observed e1d1ab386e71b013c95c2b36091ee4f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:38.952673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081610/publication.txt
observed 49b9750ef884832ef7a8a7f3f6b60327...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent