OpenTechnical

OT-2026-000026764

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000026764) never changes.

Identity and time

Publication numberOT-2026-000026764 · never reused
Internal UUID01a0ae72-3451-7e6c-bded-3a9c5759c2a6 · 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-2026-000026764
StatusPUBLIC

Content hashes

Canonical text9b4e835cb63bd9b0c44a82f991dea40c1e30fbea7374c91a175b6c20410e3520
Markdownf921799ef2c4a6ace5f9f8b016510c23c3a596fc2554ee4bb076fc7b5b087dfe
PDF
Publication page3f15faead3551e73589f456847e07422d459bc095d01f6fee21560c607de3b15
Manifestf84599fc90d3aa2992aabe5dd62d2e46e78ada868da3df5c7be6d5daab83bad2

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
SignaturevVZkAoYe3ue+bRk/4Z9G547qpDb57MR2Xz+Hr0UbJ7MT8DZ3WRE0UuGLtKEaZ/nt5bto65o4bN0DnQs6FBa5BA==
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

2026-09-17T11:43:20.165789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026764
observed 3f15faead3551e73589f456847e07422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:20.150596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026764/manifest.json
observed f84599fc90d3aa2992aabe5dd62d2e46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:20.135069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026764/publication.md
observed f921799ef2c4a6ace5f9f8b016510c23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:20.119502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026764/publication.txt
observed 9b4e835cb63bd9b0c44a82f991dea40c...
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.