OpenTechnical

OT-2026-000061886

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, vented after set-down, on a tool changer

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-2026-000061886) never changes.

Identity and time

Publication numberOT-2026-000061886 · never reused
Internal UUID01a0ae8b-b8ad-7bb6-a2df-796711e4539b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061886
StatusPUBLIC

Content hashes

Canonical textd8567b7b82957f46da6bd2c10dd27d82131f39c1c4409d9d79a4b6a7dd698654
Markdown19268a8c29f37311d9503d24fdc330f74c2ac1692dc2f6a6d44e533fb786afc8
PDF
Publication pagea5ad1b3fa92820e153ae818d30f599b32610e172faa3430dbd51eacd6a7aa71b
Manifestde6cc9d1d2710829c3295d6cebcd68e34c62a37a6c1e9be665e9b6bdbb5656ce

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
Signaturevq2vcAkr/48BUvpYDr4ovcF5mf7QDNV+pbySy20m8ZNyZhGtwT9JVALlt6WeVQEElLKIDxri4r8HeJ6UNVwTDQ==
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...

Independent retrieval

2026-09-17T10:40:45.240142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061886
observed a5ad1b3fa92820e153ae818d30f599b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:45.219786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061886/manifest.json
observed de6cc9d1d2710829c3295d6cebcd68e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:45.199758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061886/publication.md
observed 19268a8c29f37311d9503d24fdc330f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:45.178407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061886/publication.txt
observed d8567b7b82957f46da6bd2c10dd27d82...
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.