OpenTechnical

OT-2026-000008623

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000008623) never changes.

Identity and time

Publication numberOT-2026-000008623 · never reused
Internal UUID01a0ae6a-e46b-7959-9e22-5379d0b9360c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008623
StatusPUBLIC

Content hashes

Canonical text3896a73f33ba91ba40b1beae1b2ded5e091f8c281ec8f5d8a14b191beb5ab70a
Markdown02feaacc841cedbb1442a5307f230babc7b2300d85f89fff98ae59091b854e48
PDF
Publication pageeaf5e7818c3af9d1611e65c6cf9e47cecd34ad34211699382d20015db851c0db
Manifest4d48738f54d0f34dc3bc372a31394a4c7d371999f520db66709f6ee9ef0c8244

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/dXbJcQnp29aQVMfYo9gFSzTWAZWtCIHzct92jMk8yjgsMZuB/WlwuDFhStOQRFhapUp2aQGYsoWNRU17UOECw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:35.123617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008623
observed eaf5e7818c3af9d1611e65c6cf9e47ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:35.105622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008623/manifest.json
observed 4d48738f54d0f34dc3bc372a31394a4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:35.087049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008623/publication.md
observed 02feaacc841cedbb1442a5307f230bab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:35.065921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008623/publication.txt
observed 3896a73f33ba91ba40b1beae1b2ded5e...
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.