OpenTechnical

OT-2026-000090282

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000090282) never changes.

Identity and time

Publication numberOT-2026-000090282 · never reused
Internal UUID01a0ae9c-4290-73cc-a585-9f40242fe319 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090282
StatusPUBLIC

Content hashes

Canonical textb964ceafa97d305da0057bbd80c2f5745a33ea910132eef7e81c852f25a9678f
Markdown407e50d4a4c7618692e4b26b449e7a64d1df18d5e7929fbe468ff069de3f06e1
PDF
Publication page3872ef3ee7b356a57edea521af94a8d1cf4b43b83f67e901afba754566f45c3d
Manifest960df6d5860528a2e1a72257e3810521df730c5e56a2da4b9f5324f10e0ac4d6

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
SignatureDyDGanTXvFmB5XK2UHV6UaCQaBWIJ+CRmWSvAn5HnOgP9vby9NxM4xTF5ilYprIzStkB34VvXrRDS6/SiH9FCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:21.974372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090282
observed 3872ef3ee7b356a57edea521af94a8d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:21.957595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090282/manifest.json
observed 960df6d5860528a2e1a72257e3810521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:21.938815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090282/publication.md
observed 407e50d4a4c7618692e4b26b449e7a64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:21.921343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090282/publication.txt
observed b964ceafa97d305da0057bbd80c2f574...
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.