OpenTechnical

OT-2026-000060862

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000060862) never changes.

Identity and time

Publication numberOT-2026-000060862 · never reused
Internal UUID01a0ae8a-b7d2-7b9c-a7ce-e50c7e01d674 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060862
StatusPUBLIC

Content hashes

Canonical text6ef3c741c953ba2ff53c88840455f51a0f23195b934aec3b2bf06a771c188c64
Markdownda69d318eba71bc9b1f4039347b6fdd8f68e07f44483ffe1b594929a3ce024cf
PDF
Publication pageac4945abfe22a1d6d704dfd6d65d9db2ef4ed67ef8eb8c20cccec704f2a61691
Manifest65201fdbbfa02858dd54fdd1cda69ab659942987f91ac1f801feaadf622e4cc2

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
SignatureSxhRhjdRGSAroeaO8s9aosetctvuZYbe62Asjjms9m9lyYpO+P63/3SgJ/kx51WrKVp9Z4e9R6Zt/kwe5kHfAw==
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

2026-09-17T10:43:37.290745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060862
observed ac4945abfe22a1d6d704dfd6d65d9db2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:37.274463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060862/manifest.json
observed 65201fdbbfa02858dd54fdd1cda69ab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:37.258852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060862/publication.md
observed da69d318eba71bc9b1f4039347b6fdd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:37.242427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060862/publication.txt
observed 6ef3c741c953ba2ff53c88840455f51a...
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.