OpenTechnical

OT-2026-000048055

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000048055) never changes.

Identity and time

Publication numberOT-2026-000048055 · never reused
Internal UUID01a0ae7f-c423-73b0-a080-da00dd33db46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048055
StatusPUBLIC

Content hashes

Canonical text4d1bc5b6f8c90907631be3b4d525fa2f457440c1723382534e48dfc82e7a4c65
Markdown526b8b8132428054639a2a65e0105785d76c1c2791c265ec04d6374cf6c6cab7
PDF
Publication page718e09be06194ed74ae3eda280f3f314bc9627872159ee18236011b465c5edc5
Manifest2deb4483fb040f00383ac716d189188976446d1b465d95fce38ef8b1d2f4f7e3

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
SignatureOO3vlzKGSJgIptxQyShkgyx2NFAm/A2Qvah5EMrmF8uMPmber+Nt3ux1lnhZhxpUZ9NlxUJPpgGdGe8sPT0xCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:06:03.758513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048055
observed 718e09be06194ed74ae3eda280f3f314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:03.743234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048055/manifest.json
observed 2deb4483fb040f00383ac716d1891889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:03.727198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048055/publication.md
observed 526b8b8132428054639a2a65e0105785...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:03.708348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048055/publication.txt
observed 4d1bc5b6f8c90907631be3b4d525fa2f...
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.