OpenTechnical

OT-2026-000059776

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000059776) never changes.

Identity and time

Publication numberOT-2026-000059776 · never reused
Internal UUID01a0ae89-ec25-7839-86da-6f1d48e834e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059776
StatusPUBLIC

Content hashes

Canonical textf2c3a6a4dc02b4c265ed43155626e457d7998772e1dac77e9d99caba055d69be
Markdownfebb3b35096e7a04d8075baefb520d329a45538ed024653df9f193b886ccfae2
PDF
Publication page201cbb2a3c8a908fea9bad9249ac806701ffb90bdd0528c21e319506c82277c2
Manifestedd5aa165ad25cfc7ef84a369d6a71b3b2308d0dc71a83797061a7a43d1a118c

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
SignatureNmquKtnm/kBI52KKZMc1QAywZpr95bI8gO3ASwS6hT5toY5NwxjJdlb3FwWHHb0HHx2sZie3cKsQoFvPGOM3Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:30.296601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059776
observed 201cbb2a3c8a908fea9bad9249ac8067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:30.279491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059776/manifest.json
observed edd5aa165ad25cfc7ef84a369d6a71b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:30.261531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059776/publication.md
observed febb3b35096e7a04d8075baefb520d32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:30.243437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059776/publication.txt
observed f2c3a6a4dc02b4c265ed43155626e457...
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.