OpenTechnical

OT-2026-000087000

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, sustained blow-off before 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-2026-000087000) never changes.

Identity and time

Publication numberOT-2026-000087000 · never reused
Internal UUID01a0ae9a-9f2c-725e-b328-83a18de85693 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087000
StatusPUBLIC

Content hashes

Canonical textbd90020fc35d8f53a22d238455d5a170cc22bd381d38b448ad66b8bd20a623f1
Markdownb2ee8fda720c494656966c833df29ac21724a2c45aa0be20141eceafc207125c
PDF
Publication page8a4172424ba1bfa60cd11fc1e4a93ee6b6b9381ad16d6087ccfb7f2e0446c200
Manifest0311f5bb6cf9f16a6d516d92fe482c08664cc2eea3252b4db6506881654cf0dd

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
Signature/u4T3ay1tPB68oIQk612faJZiSBx+JsTjC+62qlr16oaYUofSDfhwErbQgxf5T+BkFHjdSLLF/bfPiPETPs3DA==
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

2026-09-17T09:51:13.071270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087000
observed 8a4172424ba1bfa60cd11fc1e4a93ee6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:13.055818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087000/manifest.json
observed 0311f5bb6cf9f16a6d516d92fe482c08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:13.040190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087000/publication.md
observed b2ee8fda720c494656966c833df29ac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:13.019745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087000/publication.txt
observed bd90020fc35d8f53a22d238455d5a170...
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.