OpenTechnical

OT-2026-000079151

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000079151) never changes.

Identity and time

Publication numberOT-2026-000079151 · never reused
Internal UUID01a0ae95-ccbf-7ebc-b7d8-88120b01b6bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079151
StatusPUBLIC

Content hashes

Canonical textb568f4dcd6b8628d4320fda8f75fead8c6008b81f360008cad28f86088658c99
Markdown9a9e64fbfed2fa32e80304ed2116cbae1dd41a3e3122c477fe539cec4f27aabf
PDF
Publication page89a43f1d64de1ab212eff3214381638607e82e3b56cfd7eaca0bf17ae80cf82b
Manifest25bf21650093587f81f189879783403779bb0b60a12b3e69bd211a5f3799f307

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
SignatureBG/XEiOdw9W+4jL+0wVoiTPx2H4K+LbtoIZY5/zDT7sVYKC2+7Oj+AVw6Nxq1VJd/fEB+iQNKTX+oP8+4a/uBg==
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

2026-09-17T10:06:00.101332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079151
observed 89a43f1d64de1ab212eff32143816386...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:00.085163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079151/manifest.json
observed 25bf21650093587f81f1898797834037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:00.066881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079151/publication.md
observed 9a9e64fbfed2fa32e80304ed2116cbae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:00.048315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079151/publication.txt
observed b568f4dcd6b8628d4320fda8f75fead8...
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.