OpenTechnical

OT-2026-000009617

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, pulsed blow-off after 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-2026-000009617) never changes.

Identity and time

Publication numberOT-2026-000009617 · never reused
Internal UUID01a0ae6b-7563-7854-9b6e-172f3c2618d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009617
StatusPUBLIC

Content hashes

Canonical textc9ea602e836ae2ed6dbbcc086c97d62c0a1ded0118e6d80a70a8e23d9953e24a
Markdown7539d4a8647f4799eaba7b32b281f83fedbf055a7b80fd98471ecd49e17016dc
PDF
Publication pagebcf5181482d3395cc87d6b2cd30ae8005bc75c310a445f423d5fa3060bab10ad
Manifest01d15bc5174c90b0f1c565248b37026a4e10959a986ea8b5ef2419d252c118fb

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
SignaturertqphjAUsjy2BuKDea3a6uV1PWvrCs1u3iYfvKtLcb+0M+4DYCfi2xDukvyxLF4ClGqyF+L8zWuRK1XGIHdkCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:04.143191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009617
observed bcf5181482d3395cc87d6b2cd30ae800...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:04.121767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009617/manifest.json
observed 01d15bc5174c90b0f1c565248b37026a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:04.101807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009617/publication.md
observed 7539d4a8647f4799eaba7b32b281f83f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:04.082325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009617/publication.txt
observed c9ea602e836ae2ed6dbbcc086c97d62c...
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.