OpenTechnical

OT-2026-000082973

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, sustained blow-off before 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-2026-000082973) never changes.

Identity and time

Publication numberOT-2026-000082973 · never reused
Internal UUID01a0ae97-8cca-7f8b-b09b-4b0f99573fd6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082973
StatusPUBLIC

Content hashes

Canonical text8a617aa40c7e257e165d5b004dd211ed08a7af83e3b86988f1cf945f51d5d4d0
Markdown4886eb23ee4f5b5d55b0bd41ad86a79537a28cbc4f0c2e46420364e64d22dba5
PDF
Publication pageb552fcb408018356412b4fa1daf98aa879e0ff027e16d0ff9d29e44af08ca01a
Manifestd21b864d70239ac99152b343b89d91ac1fccbbd2ad533e11bcb2138d9d0c34e0

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
SignaturewfmgHjToZdkVwwiHWEC+42TTMkV99uGQnZZWrejQMsaayOiImXI6SHpvm7Tm5Kr6pbAm1xn9QFicR1iM5uugAA==
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

2026-09-17T09:58:40.509790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082973
observed b552fcb408018356412b4fa1daf98aa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:40.491552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082973/manifest.json
observed d21b864d70239ac99152b343b89d91ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:40.472376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082973/publication.md
observed 4886eb23ee4f5b5d55b0bd41ad86a795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:40.454632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082973/publication.txt
observed 8a617aa40c7e257e165d5b004dd211ed...
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.