OpenTechnical

OT-2026-000070078

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000070078) never changes.

Identity and time

Publication numberOT-2026-000070078 · never reused
Internal UUID01a0ae91-1861-781e-9e34-46c7e850a6ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070078
StatusPUBLIC

Content hashes

Canonical text4e6952e98432036bccd8d03917a3d381ab13001e65bf6e7d50a6bbc11b4ae0ac
Markdownd3eee63932719076e74e957bf53ec728b4539f17e6e4cabe5034176d3d379af1
PDF
Publication page61ae094b670a0ae7105fcda269b1939e5cf9ce7078a2b498cb5f512155bc9d9b
Manifest1042fc896925f08101abbc1bc3027ac083285487d3fb38025008cb2947be8de0

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
SignatureXE+RwVBUZNPmgsHxv2bKjaq/JGEoUCrrv9M8UvDderamCxpUnSIZtlhnmshYibouqZ6NFPpKCAZDdeGe1XGxCA==
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

2026-09-17T10:27:02.540696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070078
observed 61ae094b670a0ae7105fcda269b1939e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:02.518829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070078/manifest.json
observed 1042fc896925f08101abbc1bc3027ac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:02.497002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070078/publication.md
observed d3eee63932719076e74e957bf53ec728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:02.478534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070078/publication.txt
observed 4e6952e98432036bccd8d03917a3d381...
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.