OpenTechnical

OT-2026-000053033

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000053033) never changes.

Identity and time

Publication numberOT-2026-000053033 · never reused
Internal UUID01a0ae84-a430-794b-ac6b-8ba312fef475 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053033
StatusPUBLIC

Content hashes

Canonical text2dcbd435415caf4cf860eef925d06061e04d8d70e398b1134798218533dee903
Markdowncfb5311ea42cfd6f445a64d4de21958dcf300d3115161c119cfcb46044c516b2
PDF
Publication page5f04b571f608ef67518ecb220827cb5752d1deb1de61b606524656dc59ebb314
Manifeste6f9b2e465e868763292a5852dd40cc100713c5952d820f668e2e586d901c26c

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
Signature4g1Z/Wmp+z1IPCAaz3d1MMJfGUbI9fTTqTdnJntcq1kUmDkmeK6x0D4qOZxSckkWeGrSZtXbFEJxjnRfLUP8AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:44.299417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053033
observed 5f04b571f608ef67518ecb220827cb57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:44.280068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053033/manifest.json
observed e6f9b2e465e868763292a5852dd40cc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:44.260852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053033/publication.md
observed cfb5311ea42cfd6f445a64d4de21958d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:44.238916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053033/publication.txt
observed 2dcbd435415caf4cf860eef925d06061...
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.