OpenTechnical

OT-2026-000060733

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single 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-2026-000060733) never changes.

Identity and time

Publication numberOT-2026-000060733 · never reused
Internal UUID01a0ae8a-b7ce-7895-ba29-25c5bff604fc · 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-2026-000060733
StatusPUBLIC

Content hashes

Canonical text65fbf0fec4277db991bd1d5e545f10432be42fd91a33f612d6d3f4bdbd52d153
Markdown3af23495dd79505148951dcd2d0341fd0c83d3eaedd105d3dbaf756c79969f11
PDF
Publication pagec25aa32aa64f057d6b53bb01f948ea5f2b2c3b1022b464cf14633b68740a3d5e
Manifest5bed9d249692048defe2b4fdf81de3a85866ae6c9d480f83c24fdaf8e632928c

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
Signature59pIuj1Iu3RFl+pwalfgtvy4MeD75l3HvDjKIrtgqLRqTlmf3iKuiUkv6Nja6J4xZa9MoDMklB04ZfFk05OLCA==
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

2026-09-17T10:43:27.977913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060733
observed c25aa32aa64f057d6b53bb01f948ea5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:27.962036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060733/manifest.json
observed 5bed9d249692048defe2b4fdf81de3a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:27.945274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060733/publication.md
observed 3af23495dd79505148951dcd2d0341fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:27.928799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060733/publication.txt
observed 65fbf0fec4277db991bd1d5e545f1043...
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.