OpenTechnical

OT-2026-000060362

Publication integrity record

Foam pad vacuum gripper, 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-2026-000060362) never changes.

Identity and time

Publication numberOT-2026-000060362 · never reused
Internal UUID01a0ae8a-5a75-7693-9581-8ae2e17153d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060362
StatusPUBLIC

Content hashes

Canonical textf7677a6dfa267d6f50dfe614710534d52b1889a18479083ce5ab823cd19da29d
Markdownfc6d808de60a6faea68dd7945f108305ca551a7c1eef949f5081cd7eb962df1f
PDF
Publication page89d183c070318936b11f459ba37c8e8dd008a2d63bbd1f4c125f256b3a0e025b
Manifestb0daa13aeeac2612382cf285d31573fc99fda7ae270c88f4f9deb1526559debd

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
SignatureyTxb/aNHrJdDK4V8pUU0kb+/U9DUmvkv8s29V5KGeFBeaRJiom8yhHKtlpjQMd+iI00Yt8yn7c6jH5e0RfJ9AA==
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

2026-09-17T10:43:38.502098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060362
observed 89d183c070318936b11f459ba37c8e8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:38.484080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060362/manifest.json
observed b0daa13aeeac2612382cf285d31573fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:38.465403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060362/publication.md
observed fc6d808de60a6faea68dd7945f108305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:38.445805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060362/publication.txt
observed f7677a6dfa267d6f50dfe614710534d5...
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.