OpenTechnical

OT-2026-000072972

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000072972) never changes.

Identity and time

Publication numberOT-2026-000072972 · never reused
Internal UUID01a0ae92-c815-7a67-9706-cacc8ecbb736 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072972
StatusPUBLIC

Content hashes

Canonical text566a969e3c5ce7747e33ec11ac7c5c39c561e93d1812aa27c3df78069551eeca
Markdown838c195ce323c1245c58a12a506efa37603e62a147b92b0ec4eacc4b6c2bdc84
PDF
Publication page31f44cf182a941578aa7f3d1ccb7c044eb2b10825c16af9599e6a261d0ac5478
Manifest29a67c148b54770e5e0f1ec15fd072dd031f6e4cb431f19a4a1ed3bc4a8d9ca0

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
SignatureH4agblMDR1gMrYnFL5h2nESp/Re0gqzdBQnXifKj9qzWRLkyJyxm0JZr6kfyV2TbwFJA/BbR1kCPO7NAqvo0Dw==
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

2026-09-17T10:21:53.981803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072972
observed 31f44cf182a941578aa7f3d1ccb7c044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:53.964237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072972/manifest.json
observed 29a67c148b54770e5e0f1ec15fd072dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:53.947084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072972/publication.md
observed 838c195ce323c1245c58a12a506efa37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:53.928260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072972/publication.txt
observed 566a969e3c5ce7747e33ec11ac7c5c39...
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.