OpenTechnical

OT-2026-000102043

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, 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-2026-000102043) never changes.

Identity and time

Publication numberOT-2026-000102043 · never reused
Internal UUID01a0aea4-50f2-772f-b023-f120ed3a0424 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102043
StatusPUBLIC

Content hashes

Canonical text32a79f034d4d2365752bd4f8386160c3508bdb924b7c6de489ba97b4100e3068
Markdown3d191767e6cc4b22a9b3a7d638e2c27b6df6ce2e83334f094d984825979d7012
PDF
Publication pagea3d2472faed4b143424e412fefef1bff6adcedbe4c039237de3e99ecd79ce287
Manifest59f31d75a42d75256e27920642ffc282d5e31ff35969f8516215eba0de1e0667

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
SignatureDitFz6nhWIuDHMUzAOrpmsjLCWhNJmYS1nZXjAST9rCsLZCFdex4ZQAOHsb3Zxxktr63RJTdW+Vz4K2cWnOZAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T16:42:12.346270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102043
observed a3d2472faed4b143424e412fefef1bff...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:12.067148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102043/manifest.json
observed 59f31d75a42d75256e27920642ffc282...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:11.891825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102043/publication.md
observed 3d191767e6cc4b22a9b3a7d638e2c27b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:11.657996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102043/publication.txt
observed 32a79f034d4d2365752bd4f8386160c3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:24:23.972860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102043
observed a3d2472faed4b143424e412fefef1bff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:23.954691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102043/manifest.json
observed 59f31d75a42d75256e27920642ffc282...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:23.936350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102043/publication.md
observed 3d191767e6cc4b22a9b3a7d638e2c27b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:23.918427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102043/publication.txt
observed 32a79f034d4d2365752bd4f8386160c3...
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.