OpenTechnical

OT-2026-000026862

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000026862) never changes.

Identity and time

Publication numberOT-2026-000026862 · never reused
Internal UUID01a0ae72-3452-73d6-a278-333bf97f0309 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026862
StatusPUBLIC

Content hashes

Canonical textb8844f2a2df798459f00d63a8f422a5ad5afdaa62c5d306fc3f3feed6702d3c9
Markdownea91c03bf2b7c96068b9126b50959f6923a96b231868f2336f1c1e8bbaf26355
PDF
Publication pagead2b3bfa07234dcfd1ccc9e2f21a2d68214ea83ca916803229662760329eb4fc
Manifest45201f72d32e37dc76e3128016b8a021682072fcbf884c95faf2ba4772a4e1e4

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
SignaturezXM0wBjXHBZwVVCyaIZiohLVodqcBDdwY46pUK1FH0FQ/VD2JEM9OsKBMuyzEoOQwziDV1+ou+lPIW0gnlRaCQ==
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

2026-09-17T11:43:27.798114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026862
observed ad2b3bfa07234dcfd1ccc9e2f21a2d68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:27.779775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026862/manifest.json
observed 45201f72d32e37dc76e3128016b8a021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:27.762169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026862/publication.md
observed ea91c03bf2b7c96068b9126b50959f69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:27.745494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026862/publication.txt
observed b8844f2a2df798459f00d63a8f422a5a...
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.