OpenTechnical

OT-2026-000049398

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000049398) never changes.

Identity and time

Publication numberOT-2026-000049398 · never reused
Internal UUID01a0ae81-8f7b-7468-a944-f085a97957d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049398
StatusPUBLIC

Content hashes

Canonical text8846482ec6bbbb4a3c26f3ee52b66bfe9108945af7c57f41fa7c4d2125d77d04
Markdown43d4ecf21f229f4785f685cec092fba6961fc37bcff13a91dec666057ac976b8
PDF
Publication page249bb24b614e2adc3fc3e533bf9b78ee93c955ccd30f9f111b0ad663394ae874
Manifest45cf2cfce8efe4b559558f4a51ebe18e6f65404241af63de45fa1f7ca345a66a

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
SignatureTzmXcB+YRZ4cVpm68XLAPI7YBKF7uIvfiy2Z5e/FaY5SJlk3WyJwVqqtgAuuSCCikHzhrUaAavl43sANIMoLDA==
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

2026-10-04T12:41:08.581251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049398
observed 249bb24b614e2adc3fc3e533bf9b78ee...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-04T12:41:08.511979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049398/manifest.json
observed 45cf2cfce8efe4b559558f4a51ebe18e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-04T12:41:08.428344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049398/publication.md
observed 43d4ecf21f229f4785f685cec092fba6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-04T12:41:08.300501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049398/publication.txt
observed 8846482ec6bbbb4a3c26f3ee52b66bfe...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:02:12.896403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049398
observed 249bb24b614e2adc3fc3e533bf9b78ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:12.878895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049398/manifest.json
observed 45cf2cfce8efe4b559558f4a51ebe18e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:12.857983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049398/publication.md
observed 43d4ecf21f229f4785f685cec092fba6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:12.828200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049398/publication.txt
observed 8846482ec6bbbb4a3c26f3ee52b66bfe...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent