OpenTechnical

OT-2026-000016958

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000016958) never changes.

Identity and time

Publication numberOT-2026-000016958 · never reused
Internal UUID01a0ae6e-591a-7d90-b514-92afdf15a0c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016958
StatusPUBLIC

Content hashes

Canonical textb4cc5d80bf7b48289ba9c302d67cb3e3fa622d519658e9331d1f8e116028da6e
Markdown1216a4a1d6c2dbb63da346f219a50d2c823503ad6a83af2c3b02171ef9b5b7ca
PDF
Publication page88a7446f0ddec088d5748f8df45add925e122ea248d2ff9c70e28601ccb70a04
Manifest975a1265429a3546f2fa95cba105115234ef451b2a0729b879a09c888f31a504

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
SignatureLgCn3Cj3k3UPR1f0OhVC+195KfZo1FNSJp24Dlf0A57eEFsdwm7QQ1CN0q2F4BE/X5oBv6+Td+bTBUsU7y7HBg==
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

2026-09-17T12:03:14.779429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016958
observed 88a7446f0ddec088d5748f8df45add92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:14.763343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016958/manifest.json
observed 975a1265429a3546f2fa95cba1051152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:14.742896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016958/publication.md
observed 1216a4a1d6c2dbb63da346f219a50d2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:14.725568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016958/publication.txt
observed b4cc5d80bf7b48289ba9c302d67cb3e3...
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.