OpenTechnical

OT-2026-000068907

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000068907) never changes.

Identity and time

Publication numberOT-2026-000068907 · never reused
Internal UUID01a0ae90-6dcc-7bc4-89b3-cd2711106ef1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068907
StatusPUBLIC

Content hashes

Canonical textecb858d6eef45aed1efc19fefdb453ae550b9e38b31240d823db8e55436df14d
Markdown6172d0fdd02557bf6fd63bcb056de7a27aeabf31cbe9460c052cff432f4408a2
PDF
Publication page0bfc2b38c1f5402dc0ef159456dc0527d7de499619a85ef2c5d93f382c2de47c
Manifest3bc373e2c779c846b79bf2089804193db5372b05d796d553ca6e3a612c7b7a0c

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
SignatureVMxUKj6LPL5TOa9607aS9xZXvYSDuUVxy9K12mCXE2odh6dl9NP5RspeBz6iueXXt35L7a82+BmVD1cvvg1lDg==
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

2026-09-17T10:28:43.860770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068907
observed 0bfc2b38c1f5402dc0ef159456dc0527...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:43.843287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068907/manifest.json
observed 3bc373e2c779c846b79bf2089804193d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:43.825716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068907/publication.md
observed 6172d0fdd02557bf6fd63bcb056de7a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:43.808050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068907/publication.txt
observed ecb858d6eef45aed1efc19fefdb453ae...
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.