OpenTechnical

OT-2026-000008590

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, vented after 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-2026-000008590) never changes.

Identity and time

Publication numberOT-2026-000008590 · never reused
Internal UUID01a0ae6a-e46b-7345-9205-b0ba471b5ee2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008590
StatusPUBLIC

Content hashes

Canonical textd89011b707320c43220df8eeaab7ae78682fadc66fc5a11e3dedbcc05d5202eb
Markdown415c1c213e171d5a219b9239a962e0c8e343feaee20d78d54215d6d6b1330e71
PDF
Publication page47fffc083b04e3802e4590966d35fb1640b3682c77e1abb5bc3c3f5174576a1a
Manifestdaff0647078a18aedbe34e23e9bcb1667943b50702108d9dfa56490b7459f1dc

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
SignaturexSDZ0PDHoNq2mLEF0p/hFZS7m3el/TPfknmtdvU+5s5wURAphVyKkgepacF6GP5vLRk5WsmDxnX0oR24Mi38Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:32.330631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008590
observed 47fffc083b04e3802e4590966d35fb16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:32.310146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008590/manifest.json
observed daff0647078a18aedbe34e23e9bcb166...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:32.288746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008590/publication.md
observed 415c1c213e171d5a219b9239a962e0c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:32.270000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008590/publication.txt
observed d89011b707320c43220df8eeaab7ae78...
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.