OpenTechnical

OT-2026-000071744

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000071744) never changes.

Identity and time

Publication numberOT-2026-000071744 · never reused
Internal UUID01a0ae92-1e91-7c7f-b729-611980f04106 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071744
StatusPUBLIC

Content hashes

Canonical text42e14743250403da8716ecd4b399778ce952322b31e0b568a246c73534f7c463
Markdown2b76baa79194c96bb1c87198f8bf81269b5e430bf31a98a5e1fcd7959e7883bc
PDF
Publication page897fe13352dfe05c0b3d380b2ac42bb37bb595430bc4ae20a48265926811ced1
Manifest4abf4cf2ab1b6e1596542ab8df12e2f77f8473f20802c1b2505813cbcbfb1851

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
SignaturecgjC8MfnmPJb/hid+BYu24j4ti1cVFuaQd9I8CzfSHSu0kvmWeZJMXoxxZHhcVJo5o0optsZE8Do9EFtj9sKDQ==
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

2026-09-17T10:23:54.162242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071744
observed 897fe13352dfe05c0b3d380b2ac42bb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:54.143980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071744/manifest.json
observed 4abf4cf2ab1b6e1596542ab8df12e2f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:54.127575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071744/publication.md
observed 2b76baa79194c96bb1c87198f8bf8126...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:54.107456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071744/publication.txt
observed 42e14743250403da8716ecd4b399778c...
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.