OpenTechnical

OT-2026-000081275

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three 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-2026-000081275) never changes.

Identity and time

Publication numberOT-2026-000081275 · never reused
Internal UUID01a0ae96-f374-7dfd-99bf-e844f8c5fae2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081275
StatusPUBLIC

Content hashes

Canonical text905decaa5890e88d5287e7043eac76e55e3cd2a8d91340bed7f67b920d2f615a
Markdown3c0632b4f53eea5c88e826e0671a49fdae6d2affd82b8126e8adc6df87638f5c
PDF
Publication page0ae70067d7e5d67b7251fef32a77c4413c24c04abc35111274b3a185fea4af0e
Manifesteb3976d7b1baa33976da42a161263b03b56c918ee8f9dc3efa0e459860c52ce2

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
SignatureTD+vzD0XFiA30S5nR1U4TSllq2Jzf7BMXznviTILA5d+V706u3W7g0VEklWb+3q8xmTRE6HdROpqk0dI25uCAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:01:22.649300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081275
observed 0ae70067d7e5d67b7251fef32a77c441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:22.630256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081275/manifest.json
observed eb3976d7b1baa33976da42a161263b03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:22.613952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081275/publication.md
observed 3c0632b4f53eea5c88e826e0671a49fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:22.594165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081275/publication.txt
observed 905decaa5890e88d5287e7043eac76e5...
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.