OpenTechnical

OT-2026-000062038

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000062038) never changes.

Identity and time

Publication numberOT-2026-000062038 · never reused
Internal UUID01a0ae8b-b8af-7401-9e60-850cec0b64f9 · 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-2026-000062038
StatusPUBLIC

Content hashes

Canonical texte1b8d48f9c1926c06a68e2a6ed34fa3b603f2f818332b23dcc6ee34aec491fc9
Markdown89df1470754204b0cee64ee25f42ffa2ca67134a59e48c34a7ef1b465bd237df
PDF
Publication page175d4e80b5469b5efbeb03821ed7aaea56809e1999ac590338a72b2c7144dd27
Manifest90a3335cda0fccc61d1cb5061707ae24ceab17ac3595297288354c5ed0167725

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
SignatureeBNl7ZTKaOMgQi9tl5FB4YbF7ybF0lke6AJUaPZxlFWq5BcTWabLYPmdADwAgLGseE8oHrILPKr2NBXIqubrCQ==
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

2026-09-17T10:41:04.588240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062038
observed 175d4e80b5469b5efbeb03821ed7aaea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:04.568314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062038/manifest.json
observed 90a3335cda0fccc61d1cb5061707ae24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:04.548177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062038/publication.md
observed 89df1470754204b0cee64ee25f42ffa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:04.529394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062038/publication.txt
observed e1b8d48f9c1926c06a68e2a6ed34fa3b...
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.