OpenTechnical

OT-2026-000103714

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, 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-2026-000103714) never changes.

Identity and time

Publication numberOT-2026-000103714 · never reused
Internal UUID01a0aea4-e462-7f26-a950-64541b87933c · 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-2026-000103714
StatusPUBLIC

Content hashes

Canonical textf3073ff2e53107d18ba5daab92b76275fd3159d62c813e936d18ed9c8ee2171c
Markdown358a5fa05d9d44abc6678f18343fc89d3230b2bc769b2409c7f94810126c5fb3
PDF
Publication page1d190019baf1b1b2a478e8ce0254187da2e0bc133a879876e0ca118343c2e96b
Manifestb7d3ae14df76f7bfda496f933245dfba1b365eb2d3c711e745bf3efbd1004c0f

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
Signature9Nztv2e/OyQpKuyu2ko2aLRRS614eL/FZm2QGOEq2KjzJbuqZGbKMbymGv2dW/PqVCvwBg+g5Ec5EYJcNIw2BA==
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

2026-09-17T09:22:31.633425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103714
observed 1d190019baf1b1b2a478e8ce0254187d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:31.615719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103714/manifest.json
observed b7d3ae14df76f7bfda496f933245dfba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:31.597401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103714/publication.md
observed 358a5fa05d9d44abc6678f18343fc89d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:31.580172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103714/publication.txt
observed f3073ff2e53107d18ba5daab92b76275...
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.