OpenTechnical

OT-2026-000060734

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, vented 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-2026-000060734) never changes.

Identity and time

Publication numberOT-2026-000060734 · never reused
Internal UUID01a0ae8a-b7ce-7222-9af3-abe94f89f41c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060734
StatusPUBLIC

Content hashes

Canonical textca5ab2cbce95b652012081f69a287f9e11cc06b43988c8d6f5a7a599c593ee64
Markdowndb178cf65b04849ba49aa6ae577d0edc77c4a30b22951f66e8d5e269a645b4cf
PDF
Publication page010ef23ec5305b7aa4cbc08a1d97337105522d4c27e3b8a674bb4ce50b79c512
Manifest464db17a6b26b711861c7fba132121e3a5fa7a2399d803bc44d0579b037590fd

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
SignaturelRJcGscBzEbdUlguEYWCTIsTEXYgkOz+I+oMSACEn9mVsOeEMUzcvR55Qhw+tuMKwfD3ecefM55eaG5Bq13ACQ==
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

2026-09-17T10:43:28.047660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060734
observed 010ef23ec5305b7aa4cbc08a1d973371...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:28.030995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060734/manifest.json
observed 464db17a6b26b711861c7fba132121e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:28.014098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060734/publication.md
observed db178cf65b04849ba49aa6ae577d0edc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:27.997275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060734/publication.txt
observed ca5ab2cbce95b652012081f69a287f9e...
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.