OpenTechnical

OT-2026-000057356

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained blow-off 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-2026-000057356) never changes.

Identity and time

Publication numberOT-2026-000057356 · never reused
Internal UUID01a0ae87-d5bd-7fdc-b454-fa5588e6e5bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057356
StatusPUBLIC

Content hashes

Canonical text2b4465388766ea8f4d95062d0090024203b9c2b16f0fd1551a2f188f2582d2ab
Markdownc1c5979240b2548a45af751eb64c1f9101aad392269e24d006a93b5180bd02bc
PDF
Publication pageaec53fc59779380af4e8f6f919d53126a15533f222ea804bd5ed2393476418b7
Manifest1c4afc22fdd9aa7ab6fb66c5b18ee0de6fe32887b50a270a99c39fa13ce21ae6

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
SignatureP3lesklrbyYNe3liuIZxS8NNMk9M2IFcdp61d9O+UWkEmJLCLMyfmo51TtoqUbUWyuDf0D+dHc2axoLr6kFHBg==
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

2026-09-17T10:50:29.001453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057356
observed aec53fc59779380af4e8f6f919d53126...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.980901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057356/manifest.json
observed 1c4afc22fdd9aa7ab6fb66c5b18ee0de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.963347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057356/publication.md
observed c1c5979240b2548a45af751eb64c1f91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.945741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057356/publication.txt
observed 2b4465388766ea8f4d95062d00900242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:38.189449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057356
observed aec53fc59779380af4e8f6f919d53126...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:38.172411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057356/manifest.json
observed 1c4afc22fdd9aa7ab6fb66c5b18ee0de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:38.153778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057356/publication.md
observed c1c5979240b2548a45af751eb64c1f91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:38.134982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057356/publication.txt
observed 2b4465388766ea8f4d95062d00900242...
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.