OpenTechnical

OT-2026-000101895

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pulsed blow-off 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-2026-000101895) never changes.

Identity and time

Publication numberOT-2026-000101895 · never reused
Internal UUID01a0aea4-50f0-74c9-9b9e-095b2e929af3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101895
StatusPUBLIC

Content hashes

Canonical text99ff0805a515d299379bdf5d807460de62b6865ba8eb1dfaa85961096a1151ec
Markdown820e900e3e50ec77f63f86e3e41f6d8a827184d25f79b6a35259982b739728ff
PDF
Publication page4e48313d8795b2e1b44351dc4dd634d0a6c7af691a2b26693b2797d8c55cfe22
Manifest051ed7bdaa3535f7497a1b3cb8b78b50d312b320ef8569cbf0a28a3b264b8a4c

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
SignatureCklMHQRwUzr/cP8enFx25Gh+0u5ev75KMACp28bsUUqylCVjPgil60X8QdgU8OQULaMJHCecnX6ynwS5R02MBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:30.242006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101895
observed 4e48313d8795b2e1b44351dc4dd634d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:30.223085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101895/manifest.json
observed 051ed7bdaa3535f7497a1b3cb8b78b50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:30.205186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101895/publication.md
observed 820e900e3e50ec77f63f86e3e41f6d8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:30.186133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101895/publication.txt
observed 99ff0805a515d299379bdf5d807460de...
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.