OpenTechnical

OT-2026-000044977

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000044977) never changes.

Identity and time

Publication numberOT-2026-000044977 · never reused
Internal UUID01a0ae7c-911d-7bd2-a1f3-f501555e03bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044977
StatusPUBLIC

Content hashes

Canonical textddbd526e45ba5a04646fc26f85b544250cf2028ed3334eb7e343e3b6a38c106f
Markdown98ed5eabf7ec0bd25218c5021d71c927999f04a19076f63bb2071b22101dfe67
PDF
Publication page548361fab30a7c424fcda619696795cdea2d0f4ae8c157a2f11137dbd695f9e7
Manifest35fcc29372ef92cb2f92d37373694f30592863ffc5acee5d51008587b22ada5c

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
SignaturesxdtTsgv0EdrWqlLkuhOgNGiIPhgOsSzR0Z0WWIo1DtGjNmeICiIDNANZo/Z3cHermWeam38rIMknXRiNG+/Dw==
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

2026-09-17T08:42:45.038701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044977
observed 548361fab30a7c424fcda619696795cd...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:42:44.805153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044977/manifest.json
observed 35fcc29372ef92cb2f92d37373694f30...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:42:44.525646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044977/publication.md
observed 98ed5eabf7ec0bd25218c5021d71c927...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:42:44.243945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044977/publication.txt
observed ddbd526e45ba5a04646fc26f85b54425...
fetched by grabo-systems from 34.44.131.203, 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.