OpenTechnical

OT-2026-000103406

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, 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-2026-000103406) never changes.

Identity and time

Publication numberOT-2026-000103406 · never reused
Internal UUID01a0aea4-e460-7f7f-a978-3bcb840edc04 · 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-2026-000103406
StatusPUBLIC

Content hashes

Canonical text60087acd55a747120cb18a346677d53f7e7021a78f8b00c858a7ff251969950b
Markdown1ae9b1910627c1343492a428fc7fc6a54f298cd26656451f2edd5bef6745487a
PDF
Publication pagef6055b26365d0f0943a489709291d1093cdd3ea187f4851624a87c4038055440
Manifest42d0aab38df5721477b184793fe0026163a104d17eb37485104015f8ea969919

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
SignatureOEiGGIzrnaqizanuqjMtnaxiwWPyM2MC/uL67h3STHYpwHGAv6QBsbyoJKsGeofwHI1BrLPuPhafTdtcSnpqAg==
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

2026-09-17T09:22:09.051805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103406
observed f6055b26365d0f0943a489709291d109...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:09.034166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103406/manifest.json
observed 42d0aab38df5721477b184793fe00261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:09.016014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103406/publication.md
observed 1ae9b1910627c1343492a428fc7fc6a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:09.000157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103406/publication.txt
observed 60087acd55a747120cb18a346677d53f...
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.