OpenTechnical

OT-2026-000055918

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000055918) never changes.

Identity and time

Publication numberOT-2026-000055918 · never reused
Internal UUID01a0ae87-0a4a-7a5b-a55f-14b6763f5ae6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055918
StatusPUBLIC

Content hashes

Canonical text883d106fd0f41ab74e3e876a72772321d7e0fd8ed8f203be5381064d216e0654
Markdown0184be8093f118f16c746b04a80ee013bf8c2e7920af3b5cdf2b2f430a8dcbc2
PDF
Publication page47a440283861088fff1df0f2603b28faa7577be958ff1c9b0f5bb9ce757c9c78
Manifestbf4b3a077e8a93317ef0a0ac3e1086de71e539bd0a860e66a81a714aa2d6e991

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
Signatureykp8zrZETm8pgiGy2Jbho9sT9hKubsey7qId7p6NBbwR9OPPTv/r/uHWyUwbeTtu6LvDQsQq2WtOaXmCRscwDA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:25.501567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055918
observed 47a440283861088fff1df0f2603b28fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:25.484141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055918/manifest.json
observed bf4b3a077e8a93317ef0a0ac3e1086de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:25.466787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055918/publication.md
observed 0184be8093f118f16c746b04a80ee013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:25.449402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055918/publication.txt
observed 883d106fd0f41ab74e3e876a72772321...
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.