OpenTechnical

OT-2026-000061177

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented after set-down

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-2026-000061177) never changes.

Identity and time

Publication numberOT-2026-000061177 · never reused
Internal UUID01a0ae8b-1380-76cc-a249-c1b75cf56c9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061177
StatusPUBLIC

Content hashes

Canonical text72fcf2ec34cdef76bc3015148a6b2b331e27574296658afe564add020ec0eb4a
Markdownd1ff4c766224059a1be23ea2a7b190e3b0de6e2f8a1b5e3c308d4b7d6196ef6f
PDF
Publication pagec4009ee2d86027dfb6ae25c4197ad5d5f505a7798da071cef02c614c5c1ac678
Manifest8f7861e76f1f2755c0049644af2a6f6f2bfe553a8ab840ba907162fcb363c71d

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
SignatureQ/7p5SiI4Dbam0vauaVukwJeqFvDrIwMLu/XR3gaT13EN203d07UISkdUtUT9iWoR7g+0jbVsx9r7xBP2FATAw==
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...

Independent retrieval

2026-09-17T10:42:34.117952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061177
observed c4009ee2d86027dfb6ae25c4197ad5d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:34.099220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061177/manifest.json
observed 8f7861e76f1f2755c0049644af2a6f6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:34.080987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061177/publication.md
observed d1ff4c766224059a1be23ea2a7b190e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:34.063458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061177/publication.txt
observed 72fcf2ec34cdef76bc3015148a6b2b33...
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.