OpenTechnical

OT-2026-000051906

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000051906) never changes.

Identity and time

Publication numberOT-2026-000051906 · never reused
Internal UUID01a0ae83-7c85-72e5-9663-915f60bf3351 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051906
StatusPUBLIC

Content hashes

Canonical text77c375be937a07c20d37dfbaef0337046722f1c10b37c88b9ea4b4ac0c8bed50
Markdown80871ebe20ff0839b5cc1ccf1de7ab6338b18aae867211386af33d49d3e84618
PDF
Publication page1ef8738e9761255045a071ee64abd321fd8d56581ba50e5cadc2b33481492226
Manifestf765b30100fcd7389623efff8f7f284114333d410bad55a08e626ec423aa5350

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
Signature3VNi9Tdx7n45REJfC4abevqf0Azx6kLGT5n+DIN7ThNGAY9IRw2Qh9isB8Z8JUBNcZAk2rOSAm/bDsiD09kKBQ==
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

2026-09-17T10:58:52.341413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051906
observed 1ef8738e9761255045a071ee64abd321...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:52.324817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051906/manifest.json
observed f765b30100fcd7389623efff8f7f2841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:52.307047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051906/publication.md
observed 80871ebe20ff0839b5cc1ccf1de7ab63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:52.290236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051906/publication.txt
observed 77c375be937a07c20d37dfbaef033704...
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.