OpenTechnical

OT-2026-000088073

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000088073) never changes.

Identity and time

Publication numberOT-2026-000088073 · never reused
Internal UUID01a0ae9b-1aa7-7868-8c79-6a7e40549860 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088073
StatusPUBLIC

Content hashes

Canonical text39ed91562675f27b19990dd31847fe91014fd4d6fcd8e43024d6747388b2889b
Markdown34051aa13442756ea418d7adc64bcedac86c5b0a4e81395bf35d1ee600288f56
PDF
Publication page48dadb813175e048e38ec0a9bfb66a2316797be5a5574b65d4cc237052de0321
Manifest854bac43e9fbacd20a4d2afaa8a31e57c9bc1bad326de881cf6990930eabbbae

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
SignatureC2D/fPV6UDu7pXjJcmX+BNqMvNRyc/WLE/aqRO3V5ZozLfiD3y76cJzDe6eO0+2Aj/1i59Ca3DMNYqhvcJedAQ==
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

2026-09-17T09:50:04.338082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088073
observed 48dadb813175e048e38ec0a9bfb66a23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.319266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088073/manifest.json
observed 854bac43e9fbacd20a4d2afaa8a31e57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.301301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088073/publication.md
observed 34051aa13442756ea418d7adc64bceda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.282144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088073/publication.txt
observed 39ed91562675f27b19990dd31847fe91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:03.504869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088073
observed 48dadb813175e048e38ec0a9bfb66a23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:03.485258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088073/manifest.json
observed 854bac43e9fbacd20a4d2afaa8a31e57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:03.468554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088073/publication.md
observed 34051aa13442756ea418d7adc64bceda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:03.449697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088073/publication.txt
observed 39ed91562675f27b19990dd31847fe91...
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.