OpenTechnical

OT-2026-000026533

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000026533) never changes.

Identity and time

Publication numberOT-2026-000026533 · never reused
Internal UUID01a0ae71-f4a9-794c-8d22-49e7f7611f04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026533
StatusPUBLIC

Content hashes

Canonical text784d9b895e450ae1c8c29fdc99b68e52700700eab188ac0a5684477e978663f4
Markdown08efa3ec5e102c475a187c3c409ec6868e8f85f34d3e63d53f9df72544c615a3
PDF
Publication pageb5783c3e060e6b633c9cab3e3244cfac0e969537c49cff47ad5e943f967358de
Manifest110373c55e1c07b0ed24cf39f6dc8294825bd6cd9ecf2d238ba19695cc0fa965

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
SignaturexniAQ3u3XuQTM08MjuN1R/R5CZGdfW/s0s446YXdbJI8F4P9N3A/Komrg8s8IC953BTST7w7eJQhDvNtcVYHAw==
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

2026-09-17T11:44:39.777100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026533
observed b5783c3e060e6b633c9cab3e3244cfac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:39.759688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026533/manifest.json
observed 110373c55e1c07b0ed24cf39f6dc8294...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:39.743178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026533/publication.md
observed 08efa3ec5e102c475a187c3c409ec686...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:39.728189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026533/publication.txt
observed 784d9b895e450ae1c8c29fdc99b68e52...
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.