OpenTechnical

OT-2026-000102270

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed blow-off 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-2026-000102270) never changes.

Identity and time

Publication numberOT-2026-000102270 · never reused
Internal UUID01a0aea4-50f3-7ec7-8dfe-ea3a7a51f95e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102270
StatusPUBLIC

Content hashes

Canonical text0340e61596c569f00fc77b22ce1757813a692a78328e576e1b2a5802f142b19d
Markdown18ec8a335d0ac344d250c06b3f78ba4a81a446243d1e658c4a5a735ddcf4e20b
PDF
Publication pageec6868f5dc185a4c3c0a17cb8048b8307f3cab028bab70c5815bfffe49793c9f
Manifest381c2d8c42650e2186cd0ef0daa38fe2a753067bbde112f51ea034cde7937e1c

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
SignaturelR5LUP5+3TXuYroWCsG7aFYWa7lrT42rWQjjVyZAtwDkljvUpp7Bw0b3wCRl6J7ImpkICrAYv2M++EfiB+VSAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:27.465958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102270
observed ec6868f5dc185a4c3c0a17cb8048b830...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:27.446860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102270/manifest.json
observed 381c2d8c42650e2186cd0ef0daa38fe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:27.429467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102270/publication.md
observed 18ec8a335d0ac344d250c06b3f78ba4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:27.412617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102270/publication.txt
observed 0340e61596c569f00fc77b22ce175781...
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.