OpenTechnical

OT-2026-000080083

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, sustained blow-off before set-down, on a tool changer

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-2026-000080083) never changes.

Identity and time

Publication numberOT-2026-000080083 · never reused
Internal UUID01a0ae96-4378-7a84-8ae9-ab725de1bdb4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080083
StatusPUBLIC

Content hashes

Canonical texte9bc8ef987b26dd8bbae0f641bda42bf6bb4242fed9001137672bea1166b46f7
Markdown656dd2311c4263dda159096a2face389f80a78d1f61d6805f1bd71f5b585300f
PDF
Publication page6a8e74e94fddef84fc0b8a6aef853b5d2313c2bfd3736b6131cf3d091e079291
Manifestb58471b8dc03ac9261e55417b25178cbbcd52b98faa2c0a6e627b2f6e588fdfe

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
SignatureTrxtfUQBrv8cTDOVm7th9U7V/d67MM0adP6iSole6ywmh+ZMemPdriuP1iU8M9RVDZXN5zehiiVA524bDruYCQ==
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

2026-09-17T10:04:01.274415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080083
observed 6a8e74e94fddef84fc0b8a6aef853b5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:01.256378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080083/manifest.json
observed b58471b8dc03ac9261e55417b25178cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:01.238727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080083/publication.md
observed 656dd2311c4263dda159096a2face389...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:01.219145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080083/publication.txt
observed e9bc8ef987b26dd8bbae0f641bda42bf...
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.