OpenTechnical

OT-2026-000049577

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, manifold 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-2026-000049577) never changes.

Identity and time

Publication numberOT-2026-000049577 · never reused
Internal UUID01a0ae81-8f7d-7f3c-9fde-718c2e8ff974 · 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-2026-000049577
StatusPUBLIC

Content hashes

Canonical textb2b42e7344bde67227ea8ab9f37608cc2e8892cc74852e33779111631658e570
Markdowna09cd15fbe65d7c30a2d6f7bc619de5b55dcc3acaa73b8d989609d6e98020be2
PDF
Publication pagea4e3e88c8dcc7b9681e9886c856873f53d4ceeeabf57bcca3b6cdbd6330f513c
Manifest5b2fd777e368b262f190a8ad37c65b00560f9a2100332ef58434d86f90296770

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
SignaturejtNaeMkViUf8SXALZLFAS0OZUgMOj4Ilb2JBiI1K1g+iMZOfG07RnLBctI0whj7NEWO7LMsBaRuHDMuRcsPsAA==
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

2026-09-17T11:02:32.881241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049577
observed a4e3e88c8dcc7b9681e9886c856873f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:32.863242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049577/manifest.json
observed 5b2fd777e368b262f190a8ad37c65b00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:32.844248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049577/publication.md
observed a09cd15fbe65d7c30a2d6f7bc619de5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:32.826632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049577/publication.txt
observed b2b42e7344bde67227ea8ab9f37608cc...
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.