OpenTechnical

OT-2026-000030120

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, sustained 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-2026-000030120) never changes.

Identity and time

Publication numberOT-2026-000030120 · never reused
Internal UUID01a0ae73-e4ff-7b6e-9624-cda96b37507e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030120
StatusPUBLIC

Content hashes

Canonical text87258a5665f5c56be2b8020c41029ceab3cc15135a06bdba6a0bc9967135342b
Markdownfc714a3445896bcacdb196a55c25bec0de5a2325ce2f14431113ecd4591040c4
PDF
Publication paged4e2b403b9ee36300fda0f770bdb7561f56dc74cd176d894c733c12e322e939a
Manifestab867a1b4d44aa3a9036e09323e609e479ef774f16a9fecdde7a30ac6d48372e

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
Signaturel2c2VLnS7Hj8nhXUoBUzGwVhA6rF0QGtholtdOgaiByTU13yorp/zfMmh0reXVbZn8ykz22bwRZOncKilMmhAw==
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

2026-09-17T11:40:21.336479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030120
observed d4e2b403b9ee36300fda0f770bdb7561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:21.317777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030120/manifest.json
observed ab867a1b4d44aa3a9036e09323e609e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:21.295011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030120/publication.md
observed fc714a3445896bcacdb196a55c25bec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:21.277308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030120/publication.txt
observed 87258a5665f5c56be2b8020c41029cea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:43.220416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030120
observed d4e2b403b9ee36300fda0f770bdb7561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:43.203912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030120/manifest.json
observed ab867a1b4d44aa3a9036e09323e609e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:43.185392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030120/publication.md
observed fc714a3445896bcacdb196a55c25bec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:43.167161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030120/publication.txt
observed 87258a5665f5c56be2b8020c41029cea...
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.