OpenTechnical

OT-2026-000103673

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, pulsed blow-off 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-2026-000103673) never changes.

Identity and time

Publication numberOT-2026-000103673 · never reused
Internal UUID01a0aea4-e462-7d41-ad3e-9ac498d65de9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103673
StatusPUBLIC

Content hashes

Canonical textcdea5084b3326cff2ab674f8b8430f0671f8d628066c5a0cebe31d6471ab2d17
Markdown58a1f720070650d7284ffa4970e5178cdebeab273f7e2cba340b99db447733ee
PDF
Publication page0326185f1babfad08a761ad23a03d1a62199920a1b473ae3e8206776870dab5b
Manifestf5fc9699ba2d3105a3326a5e2b9c87253ab87f35afe9eb26c618950f5d1173bf

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
Signature4qFHfjnIkKUKsW38qLZV/OxV9SmQHjk+JakLM1R5z7NS0Rxvi6d0JgBh5rT76ZxIfwkdei4q06/1lZcPEcdlCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:28.503215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103673
observed 0326185f1babfad08a761ad23a03d1a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:28.486708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103673/manifest.json
observed f5fc9699ba2d3105a3326a5e2b9c8725...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:28.470953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103673/publication.md
observed 58a1f720070650d7284ffa4970e5178c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:28.454923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103673/publication.txt
observed cdea5084b3326cff2ab674f8b8430f06...
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.