OpenTechnical

OT-2026-000087986

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000087986) never changes.

Identity and time

Publication numberOT-2026-000087986 · never reused
Internal UUID01a0ae9b-1aa6-734b-bf96-342c6df3ddbe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087986
StatusPUBLIC

Content hashes

Canonical text2efd6a522dff5fc19ae7248ee28fbee4372df043ad86c0be1230ed241a776830
Markdown3caa649ba77a01cefaf4e5c0f744bd08e02d19f27516e446128a976d1a65a965
PDF
Publication page2b68526abe0affffd55ec010e4d1875a174d366ae4e96b7c0a964238a97099a7
Manifest5ed10f3c8fa3214bec541753a5289f5fe5b883d288e49b97d4b478dba013d87e

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
SignatureL+Rm6PPYyzgme1T0HGr36eBCGzIf2YV0fG0AluIvzuLdgSJAxeIFd4SrpA5n9/eNKYtDxyBEqAThqqAkLDMAAg==
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

2026-09-17T09:49:17.308156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087986
observed 2b68526abe0affffd55ec010e4d1875a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:17.291179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087986/manifest.json
observed 5ed10f3c8fa3214bec541753a5289f5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:17.270149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087986/publication.md
observed 3caa649ba77a01cefaf4e5c0f744bd08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:17.249921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087986/publication.txt
observed 2efd6a522dff5fc19ae7248ee28fbee4...
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.