OpenTechnical

OT-2026-000039917

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000039917) never changes.

Identity and time

Publication numberOT-2026-000039917 · never reused
Internal UUID01a0ae78-d8d6-7023-b080-79ba3f75b019 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039917
StatusPUBLIC

Content hashes

Canonical textffa53d5f92acb66937c7ae3f758d71d599222be6b5136522b3c4a1cff7f1c069
Markdown97919d7e580278b57fb1db3cb2d45d2b9bcdf8f0878ba966a7c4b54bbe17af58
PDF
Publication page6916d8738b2a85aa1d89d5ed4a7c247d15046e47ca5cf5ecfb90769c493fdab1
Manifest37f24a95294c38b7370c2123251b2ddd0d1f5147215046c6f8dc48e077688587

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
Signature0/NMmMZOFpAGCyyLT1ixn9HjxICLD1dA00kGHf434KIjfbc+OHrxRJBG+0M19EscUF7Enw9M2o0j+dwGRKtZBQ==
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

2026-09-17T11:20:12.810976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039917
observed 6916d8738b2a85aa1d89d5ed4a7c247d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:12.790226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039917/manifest.json
observed 37f24a95294c38b7370c2123251b2ddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:12.769271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039917/publication.md
observed 97919d7e580278b57fb1db3cb2d45d2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:12.748633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039917/publication.txt
observed ffa53d5f92acb66937c7ae3f758d71d5...
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.