OpenTechnical

OT-2026-000022877

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single 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-2026-000022877) never changes.

Identity and time

Publication numberOT-2026-000022877 · never reused
Internal UUID01a0ae70-46eb-72cc-b7e6-fac9958648f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022877
StatusPUBLIC

Content hashes

Canonical text95233dbcd2733c261d6d93654fefda43ab1c4d2c420c92678b62c710a85f2078
Markdowna5fa91fd201e2d898958567449095df97a57319db556e5f6946621ea5538df3a
PDF
Publication page52c73a96b91e562a4452fdd527392521bca141dbaf2eef02508cb8be86a96b32
Manifest8697a69f7c1984be5ed7ba11124e5eaf0722e52f470173ec3c3c95a8543a537d

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
SignatureMFPEcimMEuLz47jR1NRjRXejjzC8gm/LG0pNbGzP4iwfAtXlWUNvMjHhykdvrZCJTD4V96l2JjTJKsS9zcnlAA==
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

2026-09-17T11:52:26.419555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022877
observed 52c73a96b91e562a4452fdd527392521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:26.399964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022877/manifest.json
observed 8697a69f7c1984be5ed7ba11124e5eaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:26.380764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022877/publication.md
observed a5fa91fd201e2d898958567449095df9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:26.361849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022877/publication.txt
observed 95233dbcd2733c261d6d93654fefda43...
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.