OpenTechnical

OT-2026-000023711

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000023711) never changes.

Identity and time

Publication numberOT-2026-000023711 · never reused
Internal UUID01a0ae70-aed4-77e5-9184-7ec73fbfc028 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023711
StatusPUBLIC

Content hashes

Canonical text2fbd6b450d536c7339cae70aead70f91cecced8d7db33f0e84f8e33cdd486268
Markdowndff78c48f145b409c5e9ab4385a11aca16834fa6962656a5fe9410b13c99beb1
PDF
Publication pagee73b059fbcbf375167388cb4519600e87c4e970c1a0dc68528403661f536a48f
Manifest18656ec0ac8a149dd89a6276939cb8b6d867204815f86631bdc4bc5134dfd1bd

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
Signature1g5akcnPbN2bZ7Gh5SqOTWFbJ9XAhbFYcX27g/H2mPp3QyHGGsgNl4aT6rOBKPKdDbxOnkjr6Vv4xtho4MZqAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:50:02.890690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023711
observed e73b059fbcbf375167388cb4519600e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:02.862573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023711/manifest.json
observed 18656ec0ac8a149dd89a6276939cb8b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:02.844212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023711/publication.md
observed dff78c48f145b409c5e9ab4385a11aca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:02.826737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023711/publication.txt
observed 2fbd6b450d536c7339cae70aead70f91...
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.