OpenTechnical

OT-2026-000074312

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000074312) never changes.

Identity and time

Publication numberOT-2026-000074312 · never reused
Internal UUID01a0ae93-7179-7525-ad06-39a7952eacd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074312
StatusPUBLIC

Content hashes

Canonical text3988bb39c5f5a4a8565650659632fd838088d3f7a93e5bb1f4389db11b8150a2
Markdown6b6988b8d3375f13cc576129c0565824fee356b8afefab370dd3eeb97e0d85c6
PDF
Publication page82324a9e818ef359fb223a0a10533a888858fafd7b52112ddab0c6ff3752d261
Manifestb7da54fa5d25863bc86851c84193f49f63883abfd25240a99b5e6bb049754e14

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
SignatureOFxhOOv2jZi8Aord5ZkoVbLqn1s7Gc64/R8dffM3QhsNHtYxaHfrf2zWdHRmEgUBuB0LGmQ+r1kk0A0wbKz7CQ==
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

2026-09-17T10:19:13.471058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074312
observed 82324a9e818ef359fb223a0a10533a88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:13.451381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074312/manifest.json
observed b7da54fa5d25863bc86851c84193f49f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:13.432442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074312/publication.md
observed 6b6988b8d3375f13cc576129c0565824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:13.407917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074312/publication.txt
observed 3988bb39c5f5a4a8565650659632fd83...
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.