OpenTechnical

OT-2026-000060327

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000060327) never changes.

Identity and time

Publication numberOT-2026-000060327 · never reused
Internal UUID01a0ae8a-5a75-7d3f-9331-1187df98b507 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060327
StatusPUBLIC

Content hashes

Canonical text27fc8064b057b9bc02a8f4db892648ed2e6cd2585dc6cf728e635cbe690ba500
Markdown899c059570ac5338183477036b457167a1fea86c2b51e293c19f37fd62685adc
PDF
Publication page1ff0c6522089a9676ef0b52939084b3e07a9daf965b83e68c1b4aeecaeb00c3a
Manifestf1f4ba1d11c0657f7b0ef46995f9c3bb31ebde5a97c66054592accf01934f114

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
SignaturegdIeJhL7Sw0wc1f+mUzY0VTrtLrobajF1SBnp80LxIAr3GbibimdRh3uogrttLjONxVBdtbTt8Tw/dUBIpZ9Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:02.590002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060327
observed 1ff0c6522089a9676ef0b52939084b3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:02.549668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060327/manifest.json
observed f1f4ba1d11c0657f7b0ef46995f9c3bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:02.508756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060327/publication.md
observed 899c059570ac5338183477036b457167...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:02.473597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060327/publication.txt
observed 27fc8064b057b9bc02a8f4db892648ed...
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.