OpenTechnical

OT-2026-000087013

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single 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-2026-000087013) never changes.

Identity and time

Publication numberOT-2026-000087013 · never reused
Internal UUID01a0ae9a-9f2d-7133-9b80-f4053e9dd3a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087013
StatusPUBLIC

Content hashes

Canonical text07b2ba497cfa5e2d190ddfdcc962159e07ed6784b6ddd7a89bc0cb57dfb389e5
Markdowne98d3869c0dddd1afe8f136274b1e7c6bbf98b29fc3a5c96e3bc8f024c23bc75
PDF
Publication page0376ef7159ba24a1dd5feb74dd0754cc505c0ab77e3fe21000a04eff397d9d1d
Manifest75aeca8fb58307b4dd5d6bf3181fa63de83fe52c21df531001ed16b411d287b8

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
Signatureby6uK7XzwQCdZbJjhMN0HHdA6nHwUVY3XrVLzEyez9rxpcnaXg2Pj4EiHUeGnpb94lBcTgx8TqQrHRvPBK/xAQ==
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

2026-09-17T09:51:14.045249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087013
observed 0376ef7159ba24a1dd5feb74dd0754cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:14.027091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087013/manifest.json
observed 75aeca8fb58307b4dd5d6bf3181fa63d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:14.010914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087013/publication.md
observed e98d3869c0dddd1afe8f136274b1e7c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:13.992963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087013/publication.txt
observed 07b2ba497cfa5e2d190ddfdcc962159e...
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.