OpenTechnical

OT-2026-000088671

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000088671) never changes.

Identity and time

Publication numberOT-2026-000088671 · never reused
Internal UUID01a0ae9b-8f0f-72a4-ba6e-9f7bb9a5e524 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088671
StatusPUBLIC

Content hashes

Canonical text50df4fac6ec5d856552bcfa94656556a68e59e3ca81f86c59e3dbe6e76e29346
Markdown0e630c232e11ee9360280a8f73d4f9e940a5d2d9e1a3f968fccfd9255f52bf99
PDF
Publication page0b9880d6f2584cede0ecc989f9f6470faad8e1a64b0b693056446eb9fb338371
Manifest7de9d8509cb52544630686ab6be4f65dcf4a5c077de356c4448461be26b54bba

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
Signaturezycmv3GkOvPGMZdNeR9HGot49nGIUjXyf7sHlbwBbCAAERMm/ZRs9qKFr1rRDtCd78Af445A2r73ZfC44tXzDQ==
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

2026-09-17T09:47:53.943049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088671
observed 0b9880d6f2584cede0ecc989f9f6470f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:53.926830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088671/manifest.json
observed 7de9d8509cb52544630686ab6be4f65d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:53.908866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088671/publication.md
observed 0e630c232e11ee9360280a8f73d4f9e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:53.891586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088671/publication.txt
observed 50df4fac6ec5d856552bcfa94656556a...
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.