OpenTechnical

OT-2026-000087147

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, sustained blow-off before 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-2026-000087147) never changes.

Identity and time

Publication numberOT-2026-000087147 · never reused
Internal UUID01a0ae9a-9f2e-7e13-b10a-bdf1bc4ff864 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087147
StatusPUBLIC

Content hashes

Canonical text9f9ef2e0c1928b054e8df0887de9f3b2ff414c4d32b74668845173e891623590
Markdown575828a607e15cb543a41a13fb688c2dbe260bf1f467ee24295559ae5a2511b8
PDF
Publication page631b506e51eff9e1751314eb3654d90689885e599defa5f52b883b78a9177fd0
Manifest07302f8c49553fd2f4dade2f0249263707c2bf1a3644a9546362d8ff9a1711cf

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
SignaturewKVVDfNNoeTWGtWqvz694z5xGYH+gyIj5mSCs929wQ+k2M2+HISYPB6g5Z4i3movNETaNcX2MLGjH8L0c37GAQ==
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

2026-09-17T09:51:24.738058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087147
observed 631b506e51eff9e1751314eb3654d906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.722568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087147/manifest.json
observed 07302f8c49553fd2f4dade2f02492637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.706314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087147/publication.md
observed 575828a607e15cb543a41a13fb688c2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.688628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087147/publication.txt
observed 9f9ef2e0c1928b054e8df0887de9f3b2...
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.