OpenTechnical

OT-2026-000079516

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000079516) never changes.

Identity and time

Publication numberOT-2026-000079516 · never reused
Internal UUID01a0ae96-0b91-7466-afde-6fecfc61f132 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079516
StatusPUBLIC

Content hashes

Canonical text0e64a364e66b33cbd5ce27ce1cde880209bb2bd1fce940a774e91649496ddc95
Markdown366cd6f7633c891f06967744f0b48f687e690e503fdc9b9b5a640dc5cf9bc7b0
PDF
Publication page4b497451f33d23caca63a3aa196539847c500ffe43a5804216e3613c0a6dcfc2
Manifest5976674e9eb1217eb36b8b955d7d622b05e349887e9c56c693625b3548c3e53c

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
SignatureG38UVwZAvg+fax2ioKMgmCuS2mPR+y71XlS9a7oW1PXA/dVLPNH4pF7ix52dTzqxrFb4jFplPuLEj+f4aiU7Dg==
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

2026-09-17T10:05:09.469587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079516
observed 4b497451f33d23caca63a3aa19653984...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:09.450676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079516/manifest.json
observed 5976674e9eb1217eb36b8b955d7d622b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:09.428984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079516/publication.md
observed 366cd6f7633c891f06967744f0b48f68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:09.394707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079516/publication.txt
observed 0e64a364e66b33cbd5ce27ce1cde8802...
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.