OpenTechnical

OT-2026-000050350

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000050350) never changes.

Identity and time

Publication numberOT-2026-000050350 · never reused
Internal UUID01a0ae82-5c47-73fe-8ffc-342f73073867 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050350
StatusPUBLIC

Content hashes

Canonical text9cbc4845088c3f47586f845ab7db23f5fc2164948bedcbd0eb8c3afdf03aebda
Markdown3df96dbf970d3fec9e8d5973fbe1b503dd4adf1bfd2b78994a3bdde8ee4a4c67
PDF
Publication page166c33100b0b75359cb6c9240786041ab80eb015ce659153c7aecd0b12b5db2e
Manifest828790d1957e76eb4025055fbbc441e65b5682ed6f06c3e54f3b8a8a38d9029b

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
Signature7Lv90sHjojXHMy84fL+3mpDFXfbDKgbQpQiCQo4VRdqAZ/6kTPOzTiCYIcmjUoGIdAfkE5kkJqy/HY0J2bsLAA==
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

2026-09-17T11:01:22.781430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050350
observed 166c33100b0b75359cb6c9240786041a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:22.765293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050350/manifest.json
observed 828790d1957e76eb4025055fbbc441e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:22.747626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050350/publication.md
observed 3df96dbf970d3fec9e8d5973fbe1b503...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:22.730412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050350/publication.txt
observed 9cbc4845088c3f47586f845ab7db23f5...
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.