OpenTechnical

OT-2026-000081196

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, vented after 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-2026-000081196) never changes.

Identity and time

Publication numberOT-2026-000081196 · never reused
Internal UUID01a0ae96-f373-70b5-b3a2-a1152c8170e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081196
StatusPUBLIC

Content hashes

Canonical text980c8606c167f25dab5d33014945c0ce6cab9080ff43b48d8ca87b836ec31d4a
Markdownabb6c2ee8ad2ca051b8b6f55a67fe5221a4495296193e1a92eec22bb6a5075b3
PDF
Publication pageca523ecf3fd1eeddbe7c4ac80c580f26cf56bdc2f18a3c6890bec0d26588157f
Manifest8519d94db2d85453f658c7f330bfe4b4fdad9b5d05f4b7d7cf5cb2c1eeb7c711

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
Signature0wRke3y4NRJsmx4z/xDXSfjYTyHyShB2WbAYP5Ek9aZf06tL9FLOHZoQW5bru6Ld475jnUeeSCz/xeNJVPR+Aw==
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

2026-09-17T10:01:16.113584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081196
observed ca523ecf3fd1eeddbe7c4ac80c580f26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:16.096968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081196/manifest.json
observed 8519d94db2d85453f658c7f330bfe4b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:16.079451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081196/publication.md
observed abb6c2ee8ad2ca051b8b6f55a67fe522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:16.061442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081196/publication.txt
observed 980c8606c167f25dab5d33014945c0ce...
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.